HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full
It seems you are looking for a of .NET Framework version 4.0.3019 . Free Download Net Framework V4 0.3019 For
Download dotNetFx40_Full_x86_x64.exe from Microsoft's official .NET website (Option 1). That is the correct, safe, and free solution. and free solution.