Download !!exclusive!! - Microsoft-windows-netfx3-ondemand-package.cab

to download the ISO that matches your current Windows version and architecture (e.g., x64). Mount the ISO : Right-click the downloaded ISO file and select Locate the File : Navigate to the \sources\sxs folder on the mounted drive. Find the Package : Look for the file named microsoft-windows-netfx3-ondemand-package.cab

File location and names

Security, integrity, and authenticity

If you need (which includes 2.0 and 3.0) on Windows 10 or 11, you may hit an error when trying to enable it via Windows Features . The most reliable offline method is using the microsoft-windows-netfx3-ondemand-package.cab file. Microsoft-windows-netfx3-ondemand-package.cab Download

: Deploy features on machines without an active connection to Windows Update. to download the ISO that matches your current

While many tech forums host this file for direct download, always verify the file hash or scan it for malware. Using the file from your official Windows ISO is the only 100% secure method. How to Install the .NET 3.5 CAB File (Step-by-Step) The most reliable offline method is using the

Open (Right-click Start button > Terminal (Admin) or CMD (Admin)).