Modern Windows versions do not ship with these legacy frameworks enabled by default. They are stored as "Features on Demand" (FOD). If you try to install an old app, Windows will attempt to download the files from Windows Update. This fails if you are offline or if WSUS (Windows Server Update Services) blocks it. Hence, you need the .
: Using older versions of .NET can expose your system to vulnerabilities. Only install these if a specific legacy application requires them. net framework 2.0 and 3.0 offline installer
[Solved] Where to find .NET Framework 2.0 and 3.0 Offline Installer Modern Windows versions do not ship with these