Documentation: Doc/update python environment if getting new Ansys version (#652)

* Update compatibility page

* Add get latest get specific

* Update docs/source/getting_started/compatibility.rst

Co-authored-by: Kathy Pippert <[email protected]>

* Update with comments

* Last line

Co-authored-by: Kathy Pippert <[email protected]>

Author: anslpa

docs/source/getting_started/compatibility.rst

@@ -67,6 +67,23 @@ should also be synchronized with the server version.
 
 (** compatibility of DPF 2.0 with ansys-dpf-core 0.5.0 and later is assumed but no longer certified)
 
+Updating Python environment
+---------------------------
+
+When moving from one Ansys release to another, you must update the ``ansys-dpf-core`` package and its dependencies.
+To get the latest version of the ``ansys-dpf-core`` package, use this code:
+
+.. code::
+    
+	pip install --upgrade --force-reinstall ansys-dpf-core
+
+To get a specific version of the ``ansys-dpf-core`` package, such as 0.7.0, use this code:
+
+.. code::
+
+    pip install --force-reinstall ansys-dpf-core==0.7.0
+
+
 Environment variable
 --------------------
 
@@ -75,4 +92,4 @@ The ``start_local_server``  method uses the ``Ans.Dpf.Grpc.bat`` file or
 environment variable is set to your installed Ansys version. For example, if Ansys
 2022 R2 is installed, ensure that the ``AWP_ROOT222`` environment
 variable is set to the path for this Ansys installation.
-   
+