If you are on an older system (like XP or Server 2003), you should look for the .NET Framework 3.5 Service Pack 1
If an application requires this specific version (common for older software), follow these steps to activate it: net framework 2.0.5072 download
If the GUI method fails, you can force the installation via the Command Prompt. This is useful for system administrators. If you are on an older system (like
To safely perform a (actual 2.0.50727):