I have a library for my C# project which requires .NET Framework 6.0. Accordingly I want to upgrade my project from .NET 4.8 to .NET 6.0.

I have installed .NET 6.0 Runtime and SDK from the

.net core projects, which will let you choose .net core 1/2/3/5/6:

These might also be helpful, info from Microsoft about the version differences relating to which one to choose:

https://docs.microsoft.com/en-us/dotnet/standard/choosing-core-framework-server

https://docs.microsoft.com/en-us/dotnet/core/porting/