The test connection software requires .NET version 4 (4.0-4.8)

The .NET framework 4 should be installed by default on Windows 8, 8.1, 10, and 11

For Windows 7, the .NET framework 4 can be downloaded here:
https://www.microsoft.com/en-us/download/details.aspx?id=24872
or
https://www.microsoft.com/en-us/download/details.aspx?id=17718

For Windows 8:
https://learn.microsoft.com/en-us/dotnet/framework/install/on-windows-8

For Windows 8.1:
https://learn.microsoft.com/en-us/dotnet/framework/install/on-windows-8-1

For Windows 10:
https://learn.microsoft.com/en-us/dotnet/framework/install/on-windows-10

For Windows 11:
https://learn.microsoft.com/en-us/dotnet/framework/install/on-windows-11
