First, let’s clarify a point of confusion. When people search for , they are often looking for a standalone installer. However, .NET Framework 3.5.1 is not a separate download for Windows 7—it is a Windows feature included in the operating system’s installation media.
: Find Microsoft .NET Framework 3.5.1 in the list. microsoft net framework 3.5 1 windows 7 64 bit download
: Click Programs and then select Turn Windows features on or off . First, let’s clarify a point of confusion
the box for Microsoft .NET Framework 3.5.1 and click OK . Reboot your computer . : Find Microsoft
This usually happens if you are trying to run the web installer on a fresh Windows 7 install. Solution: Disconnect the internet, open "Turn Windows features on or off," enable 3.5.1, and click OK. Windows will use the local cached files on your hard drive rather than trying to reach Windows Update servers.
For Windows 7 64-bit, you do not need to download .NET Framework 3.5.1