. Instead, the framework is a built-in feature that typically requires an internet connection to activate. To install it
Look for a folder named sxs . Inside, you should see a file named microsoft-windows-netfx3-ondemand-package~31bf3856ad364e35~amd64~~.cab . This is the raw offline installer. Step 3: Run the DISM Command restart your machine
Temporarily disable your third-party antivirus software, restart your machine, and attempt Method 2 again using the command prompt. Verifying the Installation restart your machine
/Source:D:\sources\sxs : Tells Windows exactly where to find the installation files offline. restart your machine
Type optionalfeatures and press . This opens the Windows Features window.
This guide provides everything you need to know about the .NET Framework 3.5 offline installer, including how to enable it without an internet connection using installation media. Why You Need .NET Framework 3.5