Microsoft-windows-netfx3-ondemand-package.cab _verified_ Download Jun 2026

The exact filename varies by Windows version and build. Common patterns:

Once .NET 3.5 is installed, the .cab file is no longer needed for day-to-day operations. However, keep a backup on a network share or USB drive in case you need to repair the installation later.

You must use a Windows ISO that matches your current operating system version and build. Microsoft-windows-netfx3-ondemand-package.cab Download

Whether you are deploying this to a or across an enterprise network ?

In Notepad, click .

: Points DISM directly to the folder containing your CAB file.

Many older applications, games, and development tools require Microsoft .NET Framework 3.5 to function correctly. While newer Windows versions (10 and 11) come with .NET 4.x or 5/6/7, they often need to "on-demand" install the older 3.5 version. When this installation fails—commonly displaying error codes like 0x800F0906 , 0x800F081F , or 0x800F0907 —the solution is to manually download and install the file. The exact filename varies by Windows version and build

How to Install .NET Framework 3.5 Using the CAB File (Step-by-Step)

Type the following command and press Enter: You must use a Windows ISO that matches

Note: Ensure the file name is exact, including ...~amd64~~.cab if necessary. Step 2: Open Command Prompt as Administrator Press the , type cmd .