These are the steps you need to enable .NET Framework 2.0 and 3.5 in Windows 11: .NET is a platform comprising various tools, programming languages, and other resources necessary for building a ...
All versions of the .NET Framework can coexist with each other fine. I've had 1.0, 1.1, 2.0, 3.0, and 3.5 installed all at once and there were no problems.