Inside the mounted drive, navigate to the sources\sxs folder. You should see a file named microsoft-windows-netfx3-ondemand-package.cab . This is the offline source.
While Windows 11 comes with .NET Framework 4.8 (and newer) pre-installed, version 3.5 (which includes 2.0 and 3.0) is not enabled by default. The most common method to install it is via Windows Features during an active internet connection, but what if your PC is offline, on a restricted network, or the online download keeps failing? .net 3.5 offline installer windows 11
Published: April 13, 2026 | Reading Time: 4 minutes Inside the mounted drive, navigate to the sources\sxs folder
Keep a Windows 11 USB drive handy. With the simple DISM command above, you can enable .NET 3.5 on any offline Windows 11 machine in under five minutes, ensuring your classic applications run smoothly without an internet connection. Have a question about deploying .NET 3.5 across multiple offline machines? Let us know in the comments. While Windows 11 comes with