Microsoft .NET Framework 3.5.1 is built directly into Windows 7. Because it is a native feature of the operating system, you typically do not need to download an external installer; instead, you should enable it through the Windows Features menu. 1. Enabling .NET Framework 3.5.1
Activate Features: Check the box next to the folder name. You should also ensure the sub-options (like Windows Communication Foundation) are selected if your specific software requires them. microsoft net framework 3.5 1 windows 7 64 bit download
Apply Changes: Click OK. Windows will search for the necessary files and apply the update. You may be prompted to download files from Windows Update; if so, click Yes. Microsoft
Official Microsoft download page for .NET Framework 3.5: Download the file
