Microsoft .net Framework 3.5.exe Download New!

The .NET 3.5 Service Pack 1 Full Package is a larger file (approx. 231MB) for systems without an internet connection. Critical Tips for Installation

| Your Situation | Recommended Action | | :--- | :--- | | | Use "Turn Windows features on or off" (Method 2). | | Windows 10/11, offline/no internet | Use DISM with a Windows ISO (Method 3). | | Windows 7/8.1 | Download the official SP1 Full Package (Method 1). | | You only see a small bootstrapper | Run it—it will fetch the real .exe. | microsoft .net framework 3.5.exe download