update python-net installation & sys requirements

python-net/getting-started/installation.md

@@ -19,3 +19,14 @@ All Python packages are hosted at [PyPI](https://pypi.org/project/groupdocs-vie
 pip install groupdocs-viewer-net
 ```
 
+## Download GroupDocs.Viewer from the official website
+
+Visit [https://releases.groupdocs.com/viewer/python-net/](https://releases.groupdocs.com/viewer/net/) and download the **GroupDocs.Viewer** assemblies as a ZIP archive.
+
+1. Download the Wheel File: On the download page, locate the latest version of the **GroupDocs.Viewer** package.
+Click on the download link to download the wheel file containing the package.
+2. Choose the destination folder where you want to place the package.
+3. Install package via pip using downloaded package. For example, 
+```batch 
+pip install .../groupdocs_viewer_net-24.5-py3-none-win32.whl
+```

python-net/getting-started/system-requirements.md

@@ -22,7 +22,7 @@ GroupDocs.Viewer for Python via .NET does not require any external software to b
 
 ## Supported Operating Systems
 
-GroupDocs.Viewer for Python can be used on any 32-bit or 64-bit operating system where .NET is installed including, but not limited to:
+GroupDocs.Viewer for Python can be used on any 32-bit or 64-bit operating system where .NET 6 is installed including, but not limited to:
 
 ### Windows
 
@@ -33,13 +33,10 @@ GroupDocs.Viewer for Python can be used on any 32-bit or 64-bit operating system
 * Microsoft Windows 10 (x64, x86)
 * Microsoft Windows 11 (x64)
 
-### Linux
 
-* Linux (Ubuntu, OpenSUSE, CentOS and others)
+## Supported Frameworks and Target Runtimes
 
-### Mac
-
-* Mac OS X
+GroupDocs.Viewer for Python supports .NET Framework and .NET platforms. Current version supports .NET Framework 4.6.2 and above, .NET 6 and above.
 
 ## Development Environments