diff --git a/.evergreen/config.yml b/.evergreen/config.yml
index 57b4cccc48d..a67e252bfb9 100644
--- a/.evergreen/config.yml
+++ b/.evergreen/config.yml
@@ -11,7 +11,7 @@ functions:
     - command: git.get_project
       params:
         directory: src
-    - command: git.apply_patch
+        shallow_clone: true
     - command: shell.exec
       params:
         working_dir: src
@@ -24,11 +24,20 @@ functions:
           fi
 
           export DRIVERS_TOOLS="$(pwd)/../drivers-tools"
+
           export PROJECT_DIRECTORY="$(pwd)"
           export MONGO_ORCHESTRATION_HOME="$DRIVERS_TOOLS/.evergreen/orchestration"
           export MONGODB_BINARIES="$DRIVERS_TOOLS/mongodb/bin"
           export UPLOAD_BUCKET="${project}"
 
+          # fix paths on windows
+          if [ "Windows_NT" = "$OS" ]; then
+            export DRIVERS_TOOLS=$(cygpath -m -a $DRIVERS_TOOLS)
+            export MONGO_ORCHESTRATION_HOME=$(cygpath -m -a $MONGO_ORCHESTRATION_HOME)
+            export MONGODB_BINARIES=$(cygpath -m -a $MONGODB_BINARIES)
+            export PROJECT_DIRECTORY=$(cygpath -m -a $PROJECT_DIRECTORY)
+          fi
+
           cat <<EOT > expansion.yml
           CURRENT_VERSION: "$CURRENT_VERSION"
           DRIVERS_TOOLS: "$DRIVERS_TOOLS"
@@ -60,14 +69,7 @@ functions:
         script: >
           ${PREPARE_SHELL}
 
-          rm -rf $DRIVERS_TOOLS
-
-          if [ "${project}" = "drivers-tools" ]; then
-            # If this was a patch build, doing a fresh clone would not actually test the patch
-            cp -R ${PROJECT_DIRECTORY}/ $DRIVERS_TOOLS
-          else
-            git clone git://github.com/mongodb-labs/drivers-evergreen-tools.git $DRIVERS_TOOLS
-          fi
+          git clone --depth 1 git://github.com/mongodb-labs/drivers-evergreen-tools.git $DRIVERS_TOOLS
 
           echo "{ \"releases\": { \"default\": \"$MONGODB_BINARIES\" }}" >
           $MONGO_ORCHESTRATION_HOME/orchestration.config
@@ -113,6 +115,7 @@ functions:
       type: test
       params:
         working_dir: src
+        timeout_secs: 60
         script: |
           ${PREPARE_SHELL}
 
@@ -124,7 +127,8 @@ functions:
           fi
 
           AUTH=${AUTH} SSL=${SSL} UNIFIED=${UNIFIED} MONGODB_URI="${MONGODB_URI}" \
-          bash ${PROJECT_DIRECTORY}/.evergreen/run-tests.sh
+          NODE_VERSION=${NODE_VERSION} SKIP_DEPS=1 NO_EXIT=1 \
+            bash ${PROJECT_DIRECTORY}/.evergreen/run-tests.sh
   run checks:
     - command: shell.exec
       type: test
@@ -136,20 +140,35 @@ functions:
   cleanup:
     - command: shell.exec
       params:
+        silent: true
         script: |
           ${PREPARE_SHELL}
           rm -rf $DRIVERS_TOOLS || true
   fix absolute paths:
     - command: shell.exec
       params:
+        silent: true
         script: |
           ${PREPARE_SHELL}
           for filename in $(find ${DRIVERS_TOOLS} -name \*.json); do
             perl -p -i -e "s|ABSOLUTE_PATH_REPLACEMENT_TOKEN|${DRIVERS_TOOLS}|g" $filename
           done
+  windows fix:
+    - command: shell.exec
+      params:
+        silent: true
+        script: |
+          ${PREPARE_SHELL}
+          # for i in $(find ${DRIVERS_TOOLS}/.evergreen ${PROJECT_DIRECTORY}/.evergreen -name \*.sh); do
+          #   cat $i | tr -d '\r' > $i.new
+          #   mv $i.new $i
+          # done
+          # Copy client certificate because symlinks do not work on Windows.
+          cp ${DRIVERS_TOOLS}/.evergreen/x509gen/client.pem ${MONGO_ORCHESTRATION_HOME}/lib/client.pem
   make files executable:
     - command: shell.exec
       params:
+        silent: true
         script: |
           ${PREPARE_SHELL}
           for i in $(find ${DRIVERS_TOOLS}/.evergreen ${PROJECT_DIRECTORY}/.evergreen -name \*.sh); do
@@ -162,7 +181,11 @@ functions:
         working_dir: src
         script: |
           ${PREPARE_SHELL}
-          NODE_LTS_NAME=${NODE_LTS_NAME} bash ${PROJECT_DIRECTORY}/.evergreen/install-dependencies.sh
+          NODE_LTS_NAME=${NODE_LTS_NAME} MSVS_VERSION=${MSVS_VERSION} \
+            bash ${PROJECT_DIRECTORY}/.evergreen/install-dependencies.sh
+    - command: expansions.update
+      params:
+        file: src/deps-expansion.yml
   run atlas tests:
     - command: shell.exec
       type: test
@@ -439,11 +462,14 @@ functions:
 pre:
   - func: fetch source
   - func: prepare resources
+  - func: windows fix
   - func: fix absolute paths
   - func: make files executable
 post:
   - func: upload test results
   - func: cleanup
+ignore:
+  - '*.md'
 tasks:
   - name: test-latest-server
     tags:
@@ -1186,7 +1212,7 @@ buildvariants:
     tasks: *ref_0
   - name: ubuntu-14.04-dubnium
     display_name: Ubuntu 14.04 Node Dubnium
-    run_on: ubuntu1404-test
+    run_on: ubuntu1404-large
     expansions:
       NODE_LTS_NAME: dubnium
     tasks: &ref_1
@@ -1214,13 +1240,13 @@ buildvariants:
       - test-auth-ldap
   - name: ubuntu-14.04-erbium
     display_name: Ubuntu 14.04 Node Erbium
-    run_on: ubuntu1404-test
+    run_on: ubuntu1404-large
     expansions:
       NODE_LTS_NAME: erbium
     tasks: *ref_1
   - name: ubuntu-18.04-dubnium
     display_name: Ubuntu 18.04 Node Dubnium
-    run_on: ubuntu1804-test
+    run_on: ubuntu1804-large
     expansions:
       NODE_LTS_NAME: dubnium
       CLIENT_ENCRYPTION: true
@@ -1274,11 +1300,60 @@ buildvariants:
       - test-4.4-ocsp-malicious-no-responder-mustStaple-server-does-not-staple
   - name: ubuntu-18.04-erbium
     display_name: Ubuntu 18.04 Node Erbium
-    run_on: ubuntu1804-test
+    run_on: ubuntu1804-large
     expansions:
       NODE_LTS_NAME: erbium
       CLIENT_ENCRYPTION: true
     tasks: *ref_2
+  - name: windows-64-vs2015-dubnium
+    display_name: Windows (VS2015) Node Dubnium
+    run_on: windows-64-vs2015-large
+    expansions:
+      NODE_LTS_NAME: dubnium
+      MSVS_VERSION: 2015
+    tasks: &ref_3
+      - test-4.2-server
+      - test-4.2-replica_set
+      - test-4.2-sharded_cluster
+      - test-4.0-server
+      - test-4.0-replica_set
+      - test-4.0-sharded_cluster
+      - test-3.6-server
+      - test-3.6-replica_set
+      - test-3.6-sharded_cluster
+      - test-3.4-server
+      - test-3.4-replica_set
+      - test-3.4-sharded_cluster
+      - test-3.2-server
+      - test-3.2-replica_set
+      - test-3.2-sharded_cluster
+      - test-3.0-server
+      - test-3.0-replica_set
+      - test-3.0-sharded_cluster
+      - test-2.6-server
+      - test-2.6-replica_set
+      - test-2.6-sharded_cluster
+  - name: windows-64-vs2015-erbium
+    display_name: Windows (VS2015) Node Erbium
+    run_on: windows-64-vs2015-large
+    expansions:
+      NODE_LTS_NAME: erbium
+      MSVS_VERSION: 2015
+    tasks: *ref_3
+  - name: windows-64-vs2017-dubnium
+    display_name: Windows (VS2017) Node Dubnium
+    run_on: windows-64-vs2017-large
+    expansions:
+      NODE_LTS_NAME: dubnium
+      MSVS_VERSION: 2017
+    tasks: *ref_3
+  - name: windows-64-vs2017-erbium
+    display_name: Windows (VS2017) Node Erbium
+    run_on: windows-64-vs2017-large
+    expansions:
+      NODE_LTS_NAME: erbium
+      MSVS_VERSION: 2017
+    tasks: *ref_3
   - name: lint
     display_name: lint
     run_on: rhel70
diff --git a/.evergreen/config.yml.in b/.evergreen/config.yml.in
index 14b4afd13a0..0a8e85f7c81 100644
--- a/.evergreen/config.yml.in
+++ b/.evergreen/config.yml.in
@@ -26,10 +26,8 @@ functions:
     - command: git.get_project
       params:
         directory: "src"
-    # Applies the submitted patch, if any
-    # Deprecated. Should be removed. But still needed for certain agents (ZAP)
-    - command: git.apply_patch
-    # Make an evergreen exapanstion file with dynamic values
+        shallow_clone: true # speed things up by limiting clone depth to 100
+    # Make an evergreen expansion file with dynamic values
     - command: shell.exec
       params:
         working_dir: "src"
@@ -42,11 +40,20 @@ functions:
            fi
 
            export DRIVERS_TOOLS="$(pwd)/../drivers-tools"
+
            export PROJECT_DIRECTORY="$(pwd)"
            export MONGO_ORCHESTRATION_HOME="$DRIVERS_TOOLS/.evergreen/orchestration"
            export MONGODB_BINARIES="$DRIVERS_TOOLS/mongodb/bin"
            export UPLOAD_BUCKET="${project}"
 
+           # fix paths on windows
+           if [ "Windows_NT" = "$OS" ]; then
+             export DRIVERS_TOOLS=$(cygpath -m -a $DRIVERS_TOOLS)
+             export MONGO_ORCHESTRATION_HOME=$(cygpath -m -a $MONGO_ORCHESTRATION_HOME)
+             export MONGODB_BINARIES=$(cygpath -m -a $MONGODB_BINARIES)
+             export PROJECT_DIRECTORY=$(cygpath -m -a $PROJECT_DIRECTORY)
+           fi
+
            cat <<EOT > expansion.yml
            CURRENT_VERSION: "$CURRENT_VERSION"
            DRIVERS_TOOLS: "$DRIVERS_TOOLS"
@@ -80,13 +87,7 @@ functions:
       params:
         script: |
           ${PREPARE_SHELL}
-          rm -rf $DRIVERS_TOOLS
-          if [ "${project}" = "drivers-tools" ]; then
-            # If this was a patch build, doing a fresh clone would not actually test the patch
-            cp -R ${PROJECT_DIRECTORY}/ $DRIVERS_TOOLS
-          else
-            git clone git://github.com/mongodb-labs/drivers-evergreen-tools.git $DRIVERS_TOOLS
-          fi
+          git clone --depth 1 git://github.com/mongodb-labs/drivers-evergreen-tools.git $DRIVERS_TOOLS
           echo "{ \"releases\": { \"default\": \"$MONGODB_BINARIES\" }}" > $MONGO_ORCHESTRATION_HOME/orchestration.config
 
   "bootstrap mongo-orchestration":
@@ -134,6 +135,7 @@ functions:
       type: test
       params:
         working_dir: "src"
+        timeout_secs: 60
         script: |
           ${PREPARE_SHELL}
 
@@ -145,7 +147,8 @@ functions:
           fi
 
           AUTH=${AUTH} SSL=${SSL} UNIFIED=${UNIFIED} MONGODB_URI="${MONGODB_URI}" \
-          bash ${PROJECT_DIRECTORY}/.evergreen/run-tests.sh
+          NODE_VERSION=${NODE_VERSION} SKIP_DEPS=1 NO_EXIT=1 \
+            bash ${PROJECT_DIRECTORY}/.evergreen/run-tests.sh
 
   "run checks":
     - command: shell.exec
@@ -159,6 +162,7 @@ functions:
   "cleanup":
     - command: shell.exec
       params:
+        silent: true
         script: |
           ${PREPARE_SHELL}
           rm -rf $DRIVERS_TOOLS || true
@@ -166,27 +170,30 @@ functions:
   "fix absolute paths":
     - command: shell.exec
       params:
+        silent: true
         script: |
           ${PREPARE_SHELL}
           for filename in $(find ${DRIVERS_TOOLS} -name \*.json); do
             perl -p -i -e "s|ABSOLUTE_PATH_REPLACEMENT_TOKEN|${DRIVERS_TOOLS}|g" $filename
           done
 
-  # "windows fix":
-  #   - command: shell.exec
-  #     params:
-  #       script: |
-  #         ${PREPARE_SHELL}
-  #         for i in $(find ${DRIVERS_TOOLS}/.evergreen ${PROJECT_DIRECTORY}/.evergreen -name \*.sh); do
-  #           cat $i | tr -d '\r' > $i.new
-  #           mv $i.new $i
-  #         done
-  #         # Copy client certificate because symlinks do not work on Windows.
-  #         cp ${DRIVERS_TOOLS}/.evergreen/x509gen/client.pem ${MONGO_ORCHESTRATION_HOME}/lib/client.pem
+  "windows fix":
+    - command: shell.exec
+      params:
+        silent: true
+        script: |
+          ${PREPARE_SHELL}
+          # for i in $(find ${DRIVERS_TOOLS}/.evergreen ${PROJECT_DIRECTORY}/.evergreen -name \*.sh); do
+          #   cat $i | tr -d '\r' > $i.new
+          #   mv $i.new $i
+          # done
+          # Copy client certificate because symlinks do not work on Windows.
+          cp ${DRIVERS_TOOLS}/.evergreen/x509gen/client.pem ${MONGO_ORCHESTRATION_HOME}/lib/client.pem
 
   "make files executable":
     - command: shell.exec
       params:
+        silent: true
         script: |
           ${PREPARE_SHELL}
           for i in $(find ${DRIVERS_TOOLS}/.evergreen ${PROJECT_DIRECTORY}/.evergreen -name \*.sh); do
@@ -200,7 +207,11 @@ functions:
         working_dir: "src"
         script: |
           ${PREPARE_SHELL}
-          NODE_LTS_NAME=${NODE_LTS_NAME} bash ${PROJECT_DIRECTORY}/.evergreen/install-dependencies.sh
+          NODE_LTS_NAME=${NODE_LTS_NAME} MSVS_VERSION=${MSVS_VERSION} \
+            bash ${PROJECT_DIRECTORY}/.evergreen/install-dependencies.sh
+    - command: expansions.update
+      params:
+        file: src/deps-expansion.yml
 
   "run atlas tests":
     - command: shell.exec
@@ -495,10 +506,13 @@ functions:
 pre:
   - func: "fetch source"
   - func: "prepare resources"
-  # - func: "windows fix"
+  - func: "windows fix"
   - func: "fix absolute paths"
   - func: "make files executable"
 
 post:
   - func: "upload test results"
   - func: "cleanup"
+
+ignore:
+  - '*.md'
diff --git a/.evergreen/generate_evergreen_tasks.js b/.evergreen/generate_evergreen_tasks.js
index e712aa3ec30..7d061a2cad9 100644
--- a/.evergreen/generate_evergreen_tasks.js
+++ b/.evergreen/generate_evergreen_tasks.js
@@ -1,5 +1,3 @@
-'use strict';
-
 const semver = require('semver');
 const fs = require('fs');
 const yaml = require('js-yaml');
@@ -26,33 +24,30 @@ const OPERATING_SYSTEMS = [
   {
     name: 'ubuntu-14.04',
     display_name: 'Ubuntu 14.04',
-    run_on: 'ubuntu1404-test',
+    run_on: 'ubuntu1404-large',
     mongoVersion: '<4.2'
   },
   {
     name: 'ubuntu-18.04',
     display_name: 'Ubuntu 18.04',
-    run_on: 'ubuntu1804-test',
+    run_on: 'ubuntu1804-large',
     mongoVersion: '>=3.2',
     clientEncryption: true
   },
-
-  // Windows. reenable this when nvm supports windows, or we settle on an alternative tool
-  // {
-  //   name: 'windows-64-vs2010-test',
-  //   display_name: 'Windows (VS2010)',
-  //   run_on: 'windows-64-vs2010-test'
-  // },
-  // {
-  //   name: 'windows-64-vs2013-test',
-  //   display_name: 'Windows (VS2013)',
-  //   run_on: 'windows-64-vs2013-test'
-  // },
-  // {
-  //   name: 'windows-64-vs2015-test',
-  //   display_name: 'Windows (VS2015)',
-  //   run_on: 'windows-64-vs2015-test'
-  // }
+  {
+    name: 'windows-64-vs2015',
+    display_name: 'Windows (VS2015)',
+    run_on: 'windows-64-vs2015-large',
+    msvsVersion: 2015,
+    mongoVersion: '<4.4'
+  },
+  {
+    name: 'windows-64-vs2017',
+    display_name: 'Windows (VS2017)',
+    run_on: 'windows-64-vs2017-large',
+    msvsVersion: 2017,
+    mongoVersion: '<4.4'
+  }
 ].map(osConfig =>
   Object.assign(
     {
@@ -67,10 +62,10 @@ const OPERATING_SYSTEMS = [
 const TASKS = [];
 const SINGLETON_TASKS = [];
 
-function makeTask({ mongoVersion, topology }) {
+function makeTask({ mongoVersion, topology, tags = [] }) {
   return {
     name: `test-${mongoVersion}-${topology}`,
-    tags: [mongoVersion, topology],
+    tags: [mongoVersion, topology, ...tags],
     commands: [
       { func: 'install dependencies' },
       {
@@ -85,10 +80,9 @@ function makeTask({ mongoVersion, topology }) {
   };
 }
 
+const BASE_TASKS = [];
 MONGODB_VERSIONS.forEach(mongoVersion => {
-  TOPOLOGIES.forEach(topology =>
-    TASKS.push(makeTask({ mongoVersion, topology }))
-  );
+  TOPOLOGIES.forEach(topology => BASE_TASKS.push(makeTask({ mongoVersion, topology })));
 });
 
 // manually added tasks
@@ -96,13 +90,10 @@ Array.prototype.push.apply(TASKS, [
   {
     name: 'test-atlas-connectivity',
     tags: ['atlas-connect'],
-    commands: [
-      { func: 'install dependencies' },
-      { func: 'run atlas tests' }
-    ]
+    commands: [{ func: 'install dependencies' }, { func: 'run atlas tests' }]
   },
   {
-    name: "test-atlas-data-lake",
+    name: 'test-atlas-data-lake',
     commands: [
       { func: 'install dependencies' },
       { func: 'bootstrap mongohoused' },
@@ -112,18 +103,12 @@ Array.prototype.push.apply(TASKS, [
   {
     name: 'test-auth-kerberos',
     tags: ['auth', 'kerberos'],
-    commands: [
-      { func: 'install dependencies' },
-      { func: 'run kerberos tests' }
-    ]
+    commands: [{ func: 'install dependencies' }, { func: 'run kerberos tests' }]
   },
   {
     name: 'test-auth-ldap',
     tags: ['auth', 'ldap'],
-    commands: [
-      { func: 'install dependencies' },
-      { func: 'run ldap tests' }
-    ]
+    commands: [{ func: 'install dependencies' }, { func: 'run ldap tests' }]
   },
   {
     name: 'test-tls-support',
@@ -381,7 +366,7 @@ OCSP_VERSIONS.forEach(VERSION => {
       ]
     }
   ]);
-})
+});
 
 const AWS_AUTH_TASKS = [];
 
@@ -410,35 +395,36 @@ AWS_AUTH_VERSIONS.forEach(VERSION => {
       { func: 'run aws ECS auth test' }
     ]
   });
-})
-
+});
 
 const BUILD_VARIANTS = [];
 
 const getTaskList = (() => {
   const memo = {};
-  return function(mongoVersion) {
-    const key = mongoVersion;
+  return function (mongoVersion, onlyBaseTasks = false) {
+    const key = mongoVersion + (onlyBaseTasks ? 'b' : '');
 
     if (memo[key]) {
       return memo[key];
     }
+    const taskList = onlyBaseTasks ? BASE_TASKS : BASE_TASKS.concat(TASKS);
+    const ret = taskList
+      .filter(task => {
+        const tasksWithVars = task.commands.filter(task => !!task.vars);
+        if (task.name.match(/^aws/)) return false;
 
-    const ret = TASKS.filter(task => {
-      const tasksWithVars = task.commands.filter(task => !!task.vars);
-      if (task.name.match(/^aws/)) return false;
-
-      if (!tasksWithVars.length) {
-        return true;
-      }
+        if (!tasksWithVars.length) {
+          return true;
+        }
 
-      const { VERSION } = task.commands.filter(task => !!task.vars)[0].vars;
-      if (VERSION === 'latest') {
-        return semver.satisfies(semver.coerce(LATEST_EFFECTIVE_VERSION), mongoVersion);
-      }
+        const { VERSION } = task.commands.filter(task => !!task.vars)[0].vars;
+        if (VERSION === 'latest') {
+          return semver.satisfies(semver.coerce(LATEST_EFFECTIVE_VERSION), mongoVersion);
+        }
 
-      return semver.satisfies(semver.coerce(VERSION), mongoVersion);
-    }).map(x => x.name);
+        return semver.satisfies(semver.coerce(VERSION), mongoVersion);
+      })
+      .map(x => x.name);
 
     memo[key] = ret;
     return ret;
@@ -452,10 +438,11 @@ OPERATING_SYSTEMS.forEach(
     run_on,
     mongoVersion = '>=2.6',
     nodeVersions = NODE_VERSIONS,
-    clientEncryption
+    clientEncryption,
+    msvsVersion
   }) => {
     const testedNodeVersions = NODE_VERSIONS.filter(version => nodeVersions.includes(version));
-    const tasks = getTaskList(mongoVersion);
+    const tasks = getTaskList(mongoVersion, !!msvsVersion);
 
     testedNodeVersions.forEach(NODE_LTS_NAME => {
       const nodeLtsDisplayName = `Node ${NODE_LTS_NAME[0].toUpperCase()}${NODE_LTS_NAME.substr(1)}`;
@@ -466,6 +453,9 @@ OPERATING_SYSTEMS.forEach(
       if (clientEncryption) {
         expansions.CLIENT_ENCRYPTION = true;
       }
+      if (msvsVersion) {
+        expansions.MSVS_VERSION = msvsVersion;
+      }
 
       BUILD_VARIANTS.push({ name, display_name, run_on, expansions, tasks });
     });
@@ -507,7 +497,7 @@ BUILD_VARIANTS.push({
 });
 
 const fileData = yaml.safeLoad(fs.readFileSync(`${__dirname}/config.yml.in`, 'utf8'));
-fileData.tasks = (fileData.tasks || []).concat(TASKS).concat(SINGLETON_TASKS);
+fileData.tasks = (fileData.tasks || []).concat(BASE_TASKS).concat(TASKS).concat(SINGLETON_TASKS);
 fileData.buildvariants = (fileData.buildvariants || []).concat(BUILD_VARIANTS);
 
 fs.writeFileSync(`${__dirname}/config.yml`, yaml.safeDump(fileData, { lineWidth: 120 }), 'utf8');
diff --git a/.evergreen/install-dependencies.sh b/.evergreen/install-dependencies.sh
index 69a3a880e8b..4c4f4f65d82 100644
--- a/.evergreen/install-dependencies.sh
+++ b/.evergreen/install-dependencies.sh
@@ -2,7 +2,11 @@
 # set -o xtrace   # Write all commands first to stderr
 set -o errexit  # Exit the script with error if any of the commands fail
 
+NVM_WINDOWS_URL="https://github.com/coreybutler/nvm-windows/releases/download/1.1.7/nvm-noinstall.zip"
+NVM_URL="https://raw.githubusercontent.com/nvm-sh/nvm/v0.35.3/install.sh"
+
 NODE_LTS_NAME=${NODE_LTS_NAME:-carbon}
+MSVS_VERSION=${MSVS_VERSION:-2017}
 NODE_ARTIFACTS_PATH="${PROJECT_DIRECTORY}/node-artifacts"
 NPM_CACHE_DIR="${NODE_ARTIFACTS_PATH}/npm"
 NPM_TMP_DIR="${NODE_ARTIFACTS_PATH}/tmp"
@@ -16,19 +20,83 @@ mkdir -p ${NODE_ARTIFACTS_PATH}
 mkdir -p ${NPM_CACHE_DIR}
 mkdir -p "${NPM_TMP_DIR}"
 
-# install Node.js
-curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.35.3/install.sh | bash
-[ -s "${NVM_DIR}/nvm.sh" ] && \. "${NVM_DIR}/nvm.sh"
-nvm install --no-progress --lts=${NODE_LTS_NAME}
+case $NODE_LTS_NAME in
+  "argon")
+    VERSION=4
+    ;;
+  "boron")
+    VERSION=6
+    ;;
+  "carbon")
+    VERSION=8
+    ;;
+  "dubnium")
+    VERSION=10
+    ;;
+  "erbium")
+    VERSION=12
+    ;;
+  "fermium")
+    VERSION=14
+    ;;
+  *)
+    echo "Unsupported Node LTS version $1"
+    exit 1
+    ;;
+esac
+NODE_VERSION=$(curl --retry 8 --retry-delay 5  --max-time 50 -s -o- \
+  https://nodejs.org/download/release/latest-v${VERSION}.x/SHASUMS256.txt \
+| head -n 1 | awk '{print $2};' | cut -d- -f2)
+export NODE_VERSION=${NODE_VERSION:1}
+
+# output node version to expansions file for use in subsequent scripts
+cat <<EOT > deps-expansion.yml
+  NODE_VERSION: "$NODE_VERSION"
+EOT
+
+# install Node.js on Windows
+if [[ "$OS" == "Windows_NT" ]]; then
+  # Delete pre-existing node to avoid version conflicts
+  rm -rf "/cygdrive/c/Program Files/nodejs"
+
+  export NVM_HOME=`cygpath -w "$NVM_DIR"`
+  export NVM_SYMLINK=`cygpath -w "$NODE_ARTIFACTS_PATH/bin"`
+  export NVM_ARTIFACTS_PATH=`cygpath -w "$NODE_ARTIFACTS_PATH/bin"`
+  export PATH=`cygpath $NVM_SYMLINK`:`cygpath $NVM_HOME`:$PATH
+
+  curl -L $NVM_WINDOWS_URL -o nvm.zip
+  unzip -d $NVM_DIR nvm.zip
+  rm nvm.zip
+
+  chmod 777 $NVM_DIR
+  chmod -R a+rx $NVM_DIR
+
+  cat <<EOT > $NVM_DIR/settings.txt
+root: $NVM_HOME
+path: $NVM_SYMLINK
+EOT
+  nvm install $NODE_VERSION
+  nvm use $NODE_VERSION
+  which node || echo "node not found, PATH=$PATH"
+  which npm || echo "npm not found, PATH=$PATH"
+  npm config set msvs_version ${MSVS_VERSION}
+  npm config set scripts-prepend-node-path true
+
+# install Node.js on Linux/MacOS
+else
+  curl -o- $NVM_URL | bash
+  [ -s "${NVM_DIR}/nvm.sh" ] && \. "${NVM_DIR}/nvm.sh"
+  nvm install --no-progress $NODE_VERSION
 
-# setup npm cache in a local directory
-cat <<EOT > .npmrc
+  # setup npm cache in a local directory
+  cat <<EOT > .npmrc
 devdir=${NPM_CACHE_DIR}/.node-gyp
 init-module=${NPM_CACHE_DIR}/.npm-init.js
 cache=${NPM_CACHE_DIR}
 tmp=${NPM_TMP_DIR}
 registry=https://registry.npmjs.org
 EOT
+fi
 
 # NOTE: registry was overridden to not use artifactory, remove the `registry` line when
 #       BUILD-6774 is resolved.
diff --git a/.evergreen/run-tests.sh b/.evergreen/run-tests.sh
index e65cc114fd4..dbb756b5599 100755
--- a/.evergreen/run-tests.sh
+++ b/.evergreen/run-tests.sh
@@ -8,10 +8,17 @@ set -o errexit  # Exit the script with error if any of the commands fail
 #       UNIFIED                 Set to enable the Unified SDAM topology for the node driver
 #       MONGODB_URI             Set the suggested connection MONGODB_URI (including credentials and topology info)
 #       MARCH                   Machine Architecture. Defaults to lowercase uname -m
+#       TEST_NPM_SCRIPT         Script to npm run. Defaults to "check:test"
+#       SKIP_DEPS               Skip installing dependencies
+#       NO_EXIT                 Don't exit early from tests that leak resources
 
 AUTH=${AUTH:-noauth}
 UNIFIED=${UNIFIED:-}
 MONGODB_URI=${MONGODB_URI:-}
+TEST_NPM_SCRIPT=${TEST_NPM_SCRIPT:-check:test}
+if [[ -z "${NO_EXIT}" ]]; then
+  TEST_NPM_SCRIPT="$TEST_NPM_SCRIPT -- --exit"
+fi
 
 # ssl setup
 SSL=${SSL:-nossl}
@@ -23,10 +30,23 @@ fi
 # run tests
 echo "Running $AUTH tests over $SSL, connecting to $MONGODB_URI"
 
-export PATH="/opt/mongodbtoolchain/v2/bin:$PATH"
-NODE_ARTIFACTS_PATH="${PROJECT_DIRECTORY}/node-artifacts"
-export NVM_DIR="${NODE_ARTIFACTS_PATH}/nvm"
-[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
+if [[ -z "${SKIP_DEPS}" ]]; then
+  source "${PROJECT_DIRECTORY}/.evergreen/install-dependencies.sh"
+else
+  export PATH="/opt/mongodbtoolchain/v2/bin:$PATH"
+  NODE_ARTIFACTS_PATH="${PROJECT_DIRECTORY}/node-artifacts"
+  export NVM_DIR="${NODE_ARTIFACTS_PATH}/nvm"
+  if [[ "$OS" == "Windows_NT" ]]; then
+    export NVM_HOME=`cygpath -m -a "$NVM_DIR"`
+    export NVM_SYMLINK=`cygpath -m -a "$NODE_ARTIFACTS_PATH/bin"`
+    export NVM_ARTIFACTS_PATH=`cygpath -m -a "$NODE_ARTIFACTS_PATH/bin"`
+    export PATH=`cygpath $NVM_SYMLINK`:`cygpath $NVM_HOME`:$PATH
+    echo "updated path on windows PATH=$PATH"
+  else
+    [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
+  fi
+  echo "initializing NVM, NVM_DIR=$NVM_DIR"
+fi
 
 # only run FLE tets on hosts we explicitly choose to test on
 if [[ -z "${CLIENT_ENCRYPTION}" ]]; then
@@ -36,4 +56,4 @@ else
   npm install mongodb-client-encryption
 fi
 
-MONGODB_UNIFIED_TOPOLOGY=${UNIFIED} MONGODB_URI=${MONGODB_URI} npm run check:test
+MONGODB_UNIFIED_TOPOLOGY=${UNIFIED} MONGODB_URI=${MONGODB_URI} npm run ${TEST_NPM_SCRIPT}
diff --git a/.mocharc.json b/.mocharc.json
index 3bbb8ff4019..9d45eda6454 100644
--- a/.mocharc.json
+++ b/.mocharc.json
@@ -5,5 +5,6 @@
   "ui": "test/tools/runner/metadata_ui.js",
   "recursive": true,
   "timeout": 60000,
-  "reporter": "spec-xunit-file"
+  "reporter": "spec-xunit-file",
+  "color": true
 }
diff --git a/package-lock.json b/package-lock.json
index 27b872a271a..6ee3670351f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -715,9 +715,9 @@
       }
     },
     "ansi-colors": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-4.1.1.tgz",
-      "integrity": "sha512-JoX0apGbHaUJBNl6yF+p6JAFYZ666/hhCGKN5t9QFjbJQKUU/g8MNbFDbvfrgKXvI1QpZplPOnwIo99lX/AAmA==",
+      "version": "3.2.3",
+      "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-3.2.3.tgz",
+      "integrity": "sha512-LEHHyuhlPY3TmuUYMh2oz89lTShfvgbmzaBcxve9t/9Wuy7Dwf4yoAKcND7KFT1HAQfqZ12qtc+DUrBMeKF9nw==",
       "dev": true
     },
     "ansi-escapes": {
@@ -832,18 +832,6 @@
       "integrity": "sha1-nlKHYrSpBmrRY6aWKjZEGOlibs4=",
       "dev": true
     },
-    "array.prototype.map": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/array.prototype.map/-/array.prototype.map-1.0.2.tgz",
-      "integrity": "sha512-Az3OYxgsa1g7xDYp86l0nnN4bcmuEITGe1rbdEBVkrqkzMgDcbdQ2R7r41pNzti+4NMces3H8gMmuioZUilLgw==",
-      "dev": true,
-      "requires": {
-        "define-properties": "^1.1.3",
-        "es-abstract": "^1.17.0-next.1",
-        "es-array-method-boxes-properly": "^1.0.0",
-        "is-string": "^1.0.4"
-      }
-    },
     "arrify": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/arrify/-/arrify-1.0.1.tgz",
@@ -1057,6 +1045,16 @@
         }
       }
     },
+    "call-bind": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/call-bind/-/call-bind-1.0.0.tgz",
+      "integrity": "sha512-AEXsYIyyDY3MCzbwdhzG3Jx1R0J2wetQyUynn6dYHAO+bg8l1k7jwZtRv4ryryFs7EP+NDlikJlVe59jr0cM2w==",
+      "dev": true,
+      "requires": {
+        "function-bind": "^1.1.1",
+        "get-intrinsic": "^1.0.0"
+      }
+    },
     "callsites": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz",
@@ -1139,19 +1137,19 @@
       "dev": true
     },
     "chokidar": {
-      "version": "3.4.2",
-      "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-3.4.2.tgz",
-      "integrity": "sha512-IZHaDeBeI+sZJRX7lGcXsdzgvZqKv6sECqsbErJA4mHWfpRrD8B97kSFN4cQz6nGBGiuFia1MKR4d6c1o8Cv7A==",
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-3.3.0.tgz",
+      "integrity": "sha512-dGmKLDdT3Gdl7fBUe8XK+gAtGmzy5Fn0XkkWQuYxGIgWVPPse2CxFA5mtrlD0TOHaHjEUqkWNyP1XdHoJES/4A==",
       "dev": true,
       "requires": {
         "anymatch": "~3.1.1",
         "braces": "~3.0.2",
-        "fsevents": "~2.1.2",
+        "fsevents": "~2.1.1",
         "glob-parent": "~5.1.0",
         "is-binary-path": "~2.1.0",
         "is-glob": "~4.0.1",
         "normalize-path": "~3.0.0",
-        "readdirp": "~3.4.0"
+        "readdirp": "~3.2.0"
       }
     },
     "chownr": {
@@ -2189,50 +2187,36 @@
       }
     },
     "es-abstract": {
-      "version": "1.17.6",
-      "resolved": "https://registry.npmjs.org/es-abstract/-/es-abstract-1.17.6.tgz",
-      "integrity": "sha512-Fr89bON3WFyUi5EvAeI48QTWX0AyekGgLA8H+c+7fbfCkJwRWRMLd8CQedNEyJuoYYhmtEqY92pgte1FAhBlhw==",
+      "version": "1.18.0-next.1",
+      "resolved": "https://registry.npmjs.org/es-abstract/-/es-abstract-1.18.0-next.1.tgz",
+      "integrity": "sha512-I4UGspA0wpZXWENrdA0uHbnhte683t3qT/1VFH9aX2dA5PPSf6QW5HHXf5HImaqPmjXaVeVk4RGWnaylmV7uAA==",
       "dev": true,
       "requires": {
         "es-to-primitive": "^1.2.1",
         "function-bind": "^1.1.1",
         "has": "^1.0.3",
         "has-symbols": "^1.0.1",
-        "is-callable": "^1.2.0",
-        "is-regex": "^1.1.0",
-        "object-inspect": "^1.7.0",
+        "is-callable": "^1.2.2",
+        "is-negative-zero": "^2.0.0",
+        "is-regex": "^1.1.1",
+        "object-inspect": "^1.8.0",
         "object-keys": "^1.1.1",
-        "object.assign": "^4.1.0",
+        "object.assign": "^4.1.1",
         "string.prototype.trimend": "^1.0.1",
         "string.prototype.trimstart": "^1.0.1"
-      }
-    },
-    "es-array-method-boxes-properly": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/es-array-method-boxes-properly/-/es-array-method-boxes-properly-1.0.0.tgz",
-      "integrity": "sha512-wd6JXUmyHmt8T5a2xreUwKcGPq6f1f+WwIJkijUqiGcJz1qqnZgP6XIK+QyIWU5lT7imeNxUll48bziG+TSYcA==",
-      "dev": true
-    },
-    "es-get-iterator": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/es-get-iterator/-/es-get-iterator-1.1.0.tgz",
-      "integrity": "sha512-UfrmHuWQlNMTs35e1ypnvikg6jCz3SK8v8ImvmDsh36fCVUR1MqoFDiyn0/k52C8NqO3YsO8Oe0azeesNuqSsQ==",
-      "dev": true,
-      "requires": {
-        "es-abstract": "^1.17.4",
-        "has-symbols": "^1.0.1",
-        "is-arguments": "^1.0.4",
-        "is-map": "^2.0.1",
-        "is-set": "^2.0.1",
-        "is-string": "^1.0.5",
-        "isarray": "^2.0.5"
       },
       "dependencies": {
-        "isarray": {
-          "version": "2.0.5",
-          "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.5.tgz",
-          "integrity": "sha512-xHjhDr3cNBK0BzdUJSPXZntQUx/mwMS5Rw4A7lPJ90XGAO6ISP/ePDNuo0vhqOZU+UD5JoodwCAAoZQd3FeAKw==",
-          "dev": true
+        "object.assign": {
+          "version": "4.1.2",
+          "resolved": "https://registry.npmjs.org/object.assign/-/object.assign-4.1.2.tgz",
+          "integrity": "sha512-ixT2L5THXsApyiUPYKmW+2EHpXXe5Ii3M+f4e+aJFAHao5amFRW6J0OO6c/LU8Be47utCx2GL89hxGB6XSmKuQ==",
+          "dev": true,
+          "requires": {
+            "call-bind": "^1.0.0",
+            "define-properties": "^1.1.3",
+            "has-symbols": "^1.0.1",
+            "object-keys": "^1.1.1"
+          }
         }
       }
     },
@@ -2653,19 +2637,18 @@
       }
     },
     "find-up": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/find-up/-/find-up-5.0.0.tgz",
-      "integrity": "sha512-78/PXT1wlLLDgTzDs7sjq9hzz0vXD+zn+7wypEe4fXQxCmdmqfGsEPQxmiCSQI3ajFV91bVSsvNtrJRiW6nGng==",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/find-up/-/find-up-3.0.0.tgz",
+      "integrity": "sha512-1yD6RmLI1XBfxugvORwlck6f75tYL+iR0jqwsOrOxMZyGYqUuDhJ0l4AXdO1iX/FTs9cBAMEk1gWSEx1kSbylg==",
       "dev": true,
       "requires": {
-        "locate-path": "^6.0.0",
-        "path-exists": "^4.0.0"
+        "locate-path": "^3.0.0"
       }
     },
     "flat": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/flat/-/flat-4.1.0.tgz",
-      "integrity": "sha512-Px/TiLIznH7gEDlPXcUD4KnBusa6kR6ayRUVcnEAbreRIuhkqow/mun59BuRXwoYk7ZQOLW1ZM05ilIvK38hFw==",
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/flat/-/flat-4.1.1.tgz",
+      "integrity": "sha512-FmTtBsHskrU6FJ2VxCnsDb84wu9zhmO3cUX2kGFb5tuwhfXxGciiT0oRY+cck35QmG+NmGh5eLz6lLCpWTqwpA==",
       "dev": true,
       "requires": {
         "is-buffer": "~2.0.3"
@@ -2913,6 +2896,17 @@
       "integrity": "sha1-6td0q+5y4gQJQzoGY2YCPdaIekE=",
       "dev": true
     },
+    "get-intrinsic": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.0.1.tgz",
+      "integrity": "sha512-ZnWP+AmS1VUaLgTRy47+zKtjTxz+0xMpx3I52i+aalBK1QP19ggLF3Db89KJX7kjfOfP2eoa01qc++GwPgufPg==",
+      "dev": true,
+      "requires": {
+        "function-bind": "^1.1.1",
+        "has": "^1.0.3",
+        "has-symbols": "^1.0.1"
+      }
+    },
     "get-own-enumerable-property-symbols": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/get-own-enumerable-property-symbols/-/get-own-enumerable-property-symbols-3.0.2.tgz",
@@ -3670,12 +3664,6 @@
       "integrity": "sha512-agE4QfB2Lkp9uICn7BAqoscw4SZP9kTE2hxiFI3jBPmXJfdqiahTbUuKGsMoN2GtqL9AxhYioAcVvgsb1HvRbA==",
       "dev": true
     },
-    "is-arguments": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/is-arguments/-/is-arguments-1.0.4.tgz",
-      "integrity": "sha512-xPh0Rmt8NE65sNzvyUmWgI1tz3mKq74lGA0mL8LYZcoIzKOzDh6HmrYm3d18k60nHerC8A9Km8kYu87zfSFnLA==",
-      "dev": true
-    },
     "is-arrayish": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.2.1.tgz",
@@ -3692,15 +3680,15 @@
       }
     },
     "is-buffer": {
-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-2.0.4.tgz",
-      "integrity": "sha512-Kq1rokWXOPXWuaMAqZiJW4XxsmD9zGx9q4aePabbn3qCRGedtH7Cm+zV8WETitMfu1wdh+Rvd6w5egwSngUX2A==",
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-2.0.5.tgz",
+      "integrity": "sha512-i2R6zNFDwgEHJyQUtJEk0XFi1i0dPFn/oqjK3/vPCcDeJvW5NQ83V8QbicfF1SupOaB0h8ntgBC2YiE7dfyctQ==",
       "dev": true
     },
     "is-callable": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/is-callable/-/is-callable-1.2.0.tgz",
-      "integrity": "sha512-pyVD9AaGLxtg6srb2Ng6ynWJqkHU9bEM087AKck0w8QwDarTfNcpIYoU8x8Hv2Icm8u6kFJM18Dag8lyqGkviw==",
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/is-callable/-/is-callable-1.2.2.tgz",
+      "integrity": "sha512-dnMqspv5nU3LoewK2N/y7KLtxtakvTuaCsU9FU50/QDmdbHNy/4/JuRtMHqRU22o3q+W89YQndQEeCVwK+3qrA==",
       "dev": true
     },
     "is-core-module": {
@@ -3751,10 +3739,10 @@
       "integrity": "sha512-2HvIEKRoqS62guEC+qBjpvRubdX910WCMuJTZ+I9yvqKU2/12eSL549HMwtabb4oupdj2sMP50k+XJfB/8JE6w==",
       "dev": true
     },
-    "is-map": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/is-map/-/is-map-2.0.1.tgz",
-      "integrity": "sha512-T/S49scO8plUiAOA2DBTBG3JHpn1yiw0kRp6dgiZ0v2/6twi5eiB0rHtHFH9ZIrvlWc6+4O+m4zg5+Z833aXgw==",
+    "is-negative-zero": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/is-negative-zero/-/is-negative-zero-2.0.0.tgz",
+      "integrity": "sha1-lVOxIbD6wohp2p7UWeIMdUN4hGE=",
       "dev": true
     },
     "is-number": {
@@ -3796,24 +3784,12 @@
       "integrity": "sha1-CRtGoNZ8HtD+hfH4z93gBrslHUY=",
       "dev": true
     },
-    "is-set": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/is-set/-/is-set-2.0.1.tgz",
-      "integrity": "sha512-eJEzOtVyenDs1TMzSQ3kU3K+E0GUS9sno+F0OBT97xsgcJsF9nXMBtkT9/kut5JEpM7oL7X/0qxR17K3mcwIAA==",
-      "dev": true
-    },
     "is-stream": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/is-stream/-/is-stream-2.0.0.tgz",
       "integrity": "sha512-XCoy+WlUr7d1+Z8GgSuXmpuUFC9fOhRXglJMx+dwLKTkL44Cjd4W1Z5P+BQZpr+cR93aGP4S/s7Ftw6Nd/kiEw==",
       "dev": true
     },
-    "is-string": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/is-string/-/is-string-1.0.5.tgz",
-      "integrity": "sha512-buY6VNRjhQMiF1qWDouloZlQbRhDPCebwxSjxMjxgemYT46YMd2NR0/H+fBhEfWX4A/w9TBJ+ol+okqJKFE6vQ==",
-      "dev": true
-    },
     "is-symbol": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/is-symbol/-/is-symbol-1.0.3.tgz",
@@ -4045,22 +4021,6 @@
         "istanbul-lib-report": "^3.0.0"
       }
     },
-    "iterate-iterator": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/iterate-iterator/-/iterate-iterator-1.0.1.tgz",
-      "integrity": "sha512-3Q6tudGN05kbkDQDI4CqjaBf4qf85w6W6GnuZDtUVYwKgtC1q8yxYX7CZed7N+tLzQqS6roujWvszf13T+n9aw==",
-      "dev": true
-    },
-    "iterate-value": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/iterate-value/-/iterate-value-1.0.2.tgz",
-      "integrity": "sha512-A6fMAio4D2ot2r/TYzr4yUWrmwNdsN5xL7+HUiyACE4DXm+q8HtPcnFTp+NnW3k4N05tZ7FVYFFb2CR13NxyHQ==",
-      "dev": true,
-      "requires": {
-        "es-get-iterator": "^1.0.2",
-        "iterate-iterator": "^1.0.1"
-      }
-    },
     "jju": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/jju/-/jju-1.4.0.tgz",
@@ -4310,12 +4270,21 @@
       }
     },
     "locate-path": {
-      "version": "6.0.0",
-      "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-6.0.0.tgz",
-      "integrity": "sha512-iPZK6eYjbxRu3uB4/WZ3EsEIMJFMqAoopl3R+zuq0UjcAm/MO6KCweDgPfP3elTztoKP3KtnVHxTn2NHBSDVUw==",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-3.0.0.tgz",
+      "integrity": "sha512-7AO748wWnIhNqAuaty2ZWHkQHRSNfPVIsPIfwEOWO22AmaoVrWavlOcMR5nzTLNYvp36X220/maaRsrec1G65A==",
       "dev": true,
       "requires": {
-        "p-locate": "^5.0.0"
+        "p-locate": "^3.0.0",
+        "path-exists": "^3.0.0"
+      },
+      "dependencies": {
+        "path-exists": {
+          "version": "3.0.0",
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     "string.prototype.trimstart": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/string.prototype.trimstart/-/string.prototype.trimstart-1.0.1.tgz",
-      "integrity": "sha512-XxZn+QpvrBI1FOcg6dIpxUPgWCPuNXvMD72aaRaUQv1eD4e/Qy8i/hFTe0BUmD60p/QA6bh1avmuPTfNjqVWRw==",
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/string.prototype.trimstart/-/string.prototype.trimstart-1.0.3.tgz",
+      "integrity": "sha512-oBIBUy5lea5tt0ovtOFiEQaBkoBBkyJhZXzJYrSmDo5IUUqbOPvVezuRs/agBIdZ2p2Eo1FD6bD9USyBLfl3xg==",
       "dev": true,
       "requires": {
-        "define-properties": "^1.1.3",
-        "es-abstract": "^1.17.5"
+        "call-bind": "^1.0.0",
+        "define-properties": "^1.1.3"
       }
     },
     "string_decoder": {
@@ -7492,12 +7394,6 @@
         "errno": "~0.1.7"
       }
     },
-    "workerpool": {
-      "version": "6.0.0",
-      "resolved": "https://registry.npmjs.org/workerpool/-/workerpool-6.0.0.tgz",
-      "integrity": "sha512-fU2OcNA/GVAJLLyKUoHkAgIhKb0JoCpSjLC/G2vYKxUjVmQwGbRVeoPJ1a8U4pnVofz4AQV5Y/NEw8oKqxEBtA==",
-      "dev": true
-    },
     "wrap-ansi": {
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-5.1.0.tgz",
@@ -7693,16 +7589,57 @@
       }
     },
     "yargs-unparser": {
-      "version": "1.6.1",
-      "resolved": "https://registry.npmjs.org/yargs-unparser/-/yargs-unparser-1.6.1.tgz",
-      "integrity": "sha512-qZV14lK9MWsGCmcr7u5oXGH0dbGqZAIxTDrWXZDo5zUr6b6iUmelNKO6x6R1dQT24AH3LgRxJpr8meWy2unolA==",
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/yargs-unparser/-/yargs-unparser-1.6.0.tgz",
+      "integrity": "sha512-W9tKgmSn0DpSatfri0nx52Joq5hVXgeLiqR/5G0sZNDoLZFOr/xjBUDcShCOGNsBnEMNo1KAMBkTej1Hm62HTw==",
       "dev": true,
       "requires": {
-        "camelcase": "^5.3.1",
-        "decamelize": "^1.2.0",
         "flat": "^4.1.0",
-        "is-plain-obj": "^1.1.0",
-        "yargs": "^14.2.3"
+        "lodash": "^4.17.15",
+        "yargs": "^13.3.0"
+      },
+      "dependencies": {
+        "emoji-regex": {
+          "version": "7.0.3",
+          "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-7.0.3.tgz",
+          "integrity": "sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA==",
+          "dev": true
+        },
+        "is-fullwidth-code-point": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
+          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
+          "dev": true
+        },
+        "string-width": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
+          "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
+          "dev": true,
+          "requires": {
+            "emoji-regex": "^7.0.1",
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
+          }
+        },
+        "yargs": {
+          "version": "13.3.2",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.3.2.tgz",
+          "integrity": "sha512-AX3Zw5iPruN5ie6xGRIDgqkT+ZhnRlZMLMHAs8tg7nRruy2Nb+i5o9bwghAogtM08q1dpr2LVoS8KSTMYpWXUw==",
+          "dev": true,
+          "requires": {
+            "cliui": "^5.0.0",
+            "find-up": "^3.0.0",
+            "get-caller-file": "^2.0.1",
+            "require-directory": "^2.1.1",
+            "require-main-filename": "^2.0.0",
+            "set-blocking": "^2.0.0",
+            "string-width": "^3.0.0",
+            "which-module": "^2.0.0",
+            "y18n": "^4.0.0",
+            "yargs-parser": "^13.1.2"
+          }
+        }
       }
     },
     "yn": {
diff --git a/package.json b/package.json
index 96a72e4d044..626dea7cf46 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
     "jsdoc": "^3.6.4",
     "lodash.camelcase": "^4.3.0",
     "madge": "^3.9.0",
-    "mocha": "^8.1.3",
+    "mocha": "^7.1.1",
     "mocha-sinon": "^2.1.0",
     "mongodb-mock-server": "^2.0.1",
     "nyc": "^15.1.0",
diff --git a/test/disabled/rs_mocks/connection.test.js b/test/disabled/rs_mocks/connection.test.js
index ca3fbb840c8..d2e47540b92 100644
--- a/test/disabled/rs_mocks/connection.test.js
+++ b/test/disabled/rs_mocks/connection.test.js
@@ -267,7 +267,8 @@ describe('ReplSet Connection Tests (mocks)', function () {
     metadata: {
       requires: {
         generators: true,
-        topology: 'single'
+        topology: 'single',
+        os: '!win32' // NODE-2943: timeout on windows
       }
     },
 
@@ -375,7 +376,8 @@ describe('ReplSet Connection Tests (mocks)', function () {
     metadata: {
       requires: {
         generators: true,
-        topology: 'single'
+        topology: 'single',
+        os: '!win32' // NODE-2943: timeout on windows
       }
     },
 
diff --git a/test/functional/change_stream.test.js b/test/functional/change_stream.test.js
index 93566d4c846..b2cf12f1a1c 100644
--- a/test/functional/change_stream.test.js
+++ b/test/functional/change_stream.test.js
@@ -1,5 +1,4 @@
 'use strict';
-const path = require('path');
 const assert = require('assert');
 const { Transform, PassThrough } = require('stream');
 const { MongoNetworkError } = require('../../src/error');
@@ -11,6 +10,8 @@ const expect = chai.expect;
 const sinon = require('sinon');
 const { ObjectId, Timestamp, Long, ReadPreference } = require('../../src');
 const fs = require('fs');
+const os = require('os');
+const path = require('path');
 const crypto = require('crypto');
 
 chai.use(require('chai-subset'));
@@ -1460,13 +1461,14 @@ describe('Change Streams', function () {
   it('should resume piping of Change Streams when a resumable error is encountered', {
     metadata: {
       requires: {
+        os: '!win32', // (fs.watch isn't reliable on win32)
         generators: true,
         topology: 'single',
         mongodb: '>=3.6'
       }
     },
     test: function (done) {
-      const filename = path.join(__dirname, '_nodemongodbnative_resumepipe.txt');
+      const filename = path.join(os.tmpdir(), '_nodemongodbnative_resumepipe.txt');
       this.defer(() => fs.unlinkSync(filename));
       const configuration = this.configuration;
 
@@ -1578,6 +1580,7 @@ describe('Change Streams', function () {
           const changeStream = collection.watch(pipeline);
 
           const outStream = fs.createWriteStream(filename);
+          this.defer(() => outStream.close());
 
           changeStream.stream({ transform: JSON.stringify }).pipe(outStream);
           this.defer(() => changeStream.close());
diff --git a/test/functional/cmap/connection.test.js b/test/functional/cmap/connection.test.js
index 3d44c352084..f9119343db0 100644
--- a/test/functional/cmap/connection.test.js
+++ b/test/functional/cmap/connection.test.js
@@ -55,18 +55,25 @@ describe('Connection', function () {
     });
   });
 
-  it('should support socket timeouts', function (done) {
-    const connectOptions = Object.assign({
-      host: '240.0.0.1',
-      connectionType: Connection,
-      connectionTimeout: 500
-    });
+  it('should support socket timeouts', {
+    metadata: {
+      requires: {
+        os: '!win32' // NODE-2941: 240.0.0.1 doesnt work for windows
+      }
+    },
+    test: function (done) {
+      const connectOptions = Object.assign({
+        host: '240.0.0.1',
+        connectionType: Connection,
+        connectionTimeout: 500
+      });
 
-    connect(connectOptions, err => {
-      expect(err).to.exist;
-      expect(err).to.match(/timed out/);
-      done();
-    });
+      connect(connectOptions, err => {
+        expect(err).to.exist;
+        expect(err).to.match(/timed out/);
+        done();
+      });
+    }
   });
 
   it('should support calling back multiple times on exhaust commands', {
diff --git a/test/functional/connection.test.js b/test/functional/connection.test.js
index 98c40d66083..cef963169f1 100644
--- a/test/functional/connection.test.js
+++ b/test/functional/connection.test.js
@@ -9,7 +9,7 @@ describe('Connection', function () {
   });
 
   it('should correctly start monitoring for single server connection', {
-    metadata: { requires: { topology: 'single' } },
+    metadata: { requires: { topology: 'single', os: '!win32' } },
 
     test: function (done) {
       var configuration = this.configuration;
@@ -29,7 +29,7 @@ describe('Connection', function () {
   });
 
   it('should correctly connect to server using domain socket', {
-    metadata: { requires: { topology: 'single' } },
+    metadata: { requires: { topology: 'single', os: '!win32' } },
 
     test: function (done) {
       var configuration = this.configuration;
@@ -97,7 +97,7 @@ describe('Connection', function () {
   });
 
   it('should connect to server using domain socket with undefined port', {
-    metadata: { requires: { topology: 'single' } },
+    metadata: { requires: { topology: 'single', os: '!win32' } },
 
     test: function (done) {
       var configuration = this.configuration;
diff --git a/test/functional/cursor.test.js b/test/functional/cursor.test.js
index fe3975ee7e8..580f54e28ed 100644
--- a/test/functional/cursor.test.js
+++ b/test/functional/cursor.test.js
@@ -2,6 +2,8 @@
 const { assert: test, filterForCommands, withMonitoredClient } = require('./shared');
 const { setupDatabase } = require('./shared');
 const fs = require('fs');
+const os = require('os');
+const path = require('path');
 const { expect } = require('chai');
 const BSON = require('bson');
 const sinon = require('sinon');
@@ -1840,7 +1842,7 @@ describe('Cursor', function () {
           collection.insertMany(docs, configuration.writeConcernMax(), err => {
             expect(err).to.not.exist;
 
-            const filename = '/tmp/_nodemongodbnative_stream_out.txt';
+            const filename = path.join(os.tmpdir(), '_nodemongodbnative_stream_out.txt');
             const out = fs.createWriteStream(filename);
             const stream = collection.find().stream({
               transform: doc => JSON.stringify(doc)
@@ -1869,12 +1871,13 @@ describe('Cursor', function () {
     }
   });
 
-  it('shouldCloseDeadTailableCursors', {
+  it('should close dead tailable cursors', {
     // Add a tag that our runner can trigger on
     // in this case we are setting that node needs to be higher than 0.10.X to run
     metadata: {
       requires: { topology: ['single', 'replicaset', 'sharded', 'ssl', 'heap', 'wiredtiger'] },
-      sessions: { skipLeakTests: true }
+      sessions: { skipLeakTests: true },
+      os: '!win32' // NODE-2943: timeout on windows
     },
 
     test: function (done) {
diff --git a/test/functional/mongo_client.test.js b/test/functional/mongo_client.test.js
index 16be1024734..d9039c7ecd5 100644
--- a/test/functional/mongo_client.test.js
+++ b/test/functional/mongo_client.test.js
@@ -93,7 +93,7 @@ describe('MongoClient', function () {
   });
 
   it('should correctly connect to mongodb using domain socket', {
-    metadata: { requires: { topology: ['single'] } },
+    metadata: { requires: { topology: ['single'], os: '!win32' } },
 
     test: function (done) {
       var configuration = this.configuration;
diff --git a/test/functional/operation_example.test.js b/test/functional/operation_example.test.js
index 2f160c98c14..0a6491cdb18 100644
--- a/test/functional/operation_example.test.js
+++ b/test/functional/operation_example.test.js
@@ -3583,7 +3583,7 @@ describe('Operation Examples', function () {
    * @example-class Db
    * @example-method createCollection
    */
-  it('shouldCorrectlyCreateACollection', {
+  it('should correctly create a collection', {
     metadata: {
       requires: { topology: ['single', 'replicaset', 'sharded', 'ssl', 'heap', 'wiredtiger'] }
     },
@@ -6710,7 +6710,7 @@ describe('Operation Examples', function () {
         // Create a capped collection with a maximum of 1000 documents
         db.createCollection(
           'a_simple_collection_2',
-          { capped: true, size: 100000, max: 10000, writeConcern: { w: 1 } },
+          { capped: true, size: 100000, max: 1000, writeConcern: { w: 1 } },
           function (err, collection) {
             expect(err).to.not.exist;
 
diff --git a/test/functional/operation_generators_example.test.js b/test/functional/operation_generators_example.test.js
index 144d33676d8..e9faf7c23a2 100644
--- a/test/functional/operation_generators_example.test.js
+++ b/test/functional/operation_generators_example.test.js
@@ -4620,7 +4620,7 @@ describe('Operation (Generators)', function () {
         var collection = yield db.createCollection('a_simple_collection_2_with_generators', {
           capped: true,
           size: 100000,
-          max: 10000,
+          max: 1000,
           writeConcern: { w: 1 }
         });
         var docs = [];
diff --git a/test/functional/operation_promises_example.test.js b/test/functional/operation_promises_example.test.js
index 8d27856c6bd..9414fdcf537 100644
--- a/test/functional/operation_promises_example.test.js
+++ b/test/functional/operation_promises_example.test.js
@@ -4943,7 +4943,7 @@ describe('Operation (Promises)', function () {
         db.createCollection('a_simple_collection_2_with_promise', {
           capped: true,
           size: 100000,
-          max: 10000,
+          max: 1000,
           writeConcern: { w: 1 }
         })
           .then(function (_collection) {
diff --git a/test/tools/runner/filters/mongodb_topology_filter.js b/test/tools/runner/filters/mongodb_topology_filter.js
index c55eda25cd1..9b585677780 100755
--- a/test/tools/runner/filters/mongodb_topology_filter.js
+++ b/test/tools/runner/filters/mongodb_topology_filter.js
@@ -7,7 +7,7 @@ const { TopologyType } = require('../../../../src/sdam/common');
  * example:
  * metadata: {
  *    requires: {
- *      topology: 'single' | 'replicaset' | 'sharded' | 'auth' | 'ssl'
+ *      topology: 'single' | 'replicaset' | 'sharded'
  *    }
  * }
  */
diff --git a/test/unit/core/connect.test.js b/test/unit/core/connect.test.js
index 315ceaa7aa7..124cee68552 100644
--- a/test/unit/core/connect.test.js
+++ b/test/unit/core/connect.test.js
@@ -98,16 +98,23 @@ describe('Connect Tests', function () {
     });
   });
 
-  it('should allow a cancellaton token', function (done) {
-    const cancellationToken = new EventEmitter();
-    setTimeout(() => cancellationToken.emit('cancel'), 500);
-    // set no response handler for mock server, effecively blackhole requests
+  it('should allow a cancellaton token', {
+    metadata: {
+      requires: {
+        os: '!win32' // NODE-2941: 240.0.0.1 doesnt work for windows
+      }
+    },
+    test: function (done) {
+      const cancellationToken = new EventEmitter();
+      setTimeout(() => cancellationToken.emit('cancel'), 500);
+      // set no response handler for mock server, effecively blackhole requests
 
-    connect({ host: '240.0.0.1' }, cancellationToken, (err, conn) => {
-      expect(err).to.exist;
-      expect(err).to.match(/connection establishment was cancelled/);
-      expect(conn).to.not.exist;
-      done();
-    });
+      connect({ host: '240.0.0.1' }, cancellationToken, (err, conn) => {
+        expect(err).to.exist;
+        expect(err).to.match(/connection establishment was cancelled/);
+        expect(conn).to.not.exist;
+        done();
+      });
+    }
   });
 });