Open the mounted drive and navigate to the folder.
However, for most users, the safest method is to let Windows download it on demand. If you specifically need the .cab file for offline deployment (e.g., via DISM), you can extract it from a mounted Windows installation ISO.
Bottom line
(Best method):
You might need this file if you encounter one of these common .NET Framework 3.5 installation issues: microsoftwindowsnetfx3ondemandpackagecab download free link
Run the tool and select the option to download the . Step 2: Locate the CAB File Once you have the ISO file:
This file is a Windows Cabinet ( .cab ) package containing all the payload files required to install .NET Framework 3.5 (which includes .NET 2.0 and 3.0). Open the mounted drive and navigate to the folder
Open the drive and navigate to the sources\sxs directory.
While many third-party sites offer "free links," the safest and most reliable way to obtain this file for free is directly from . Bottom line (Best method): You might need this
Microsoft does not typically offer this specific .cab file as a standalone "one-click" download from their official website. Instead, it is distributed as part of the (ISO) or can be enabled via system tools. How to Get the File Officially
Note: On some Windows 10/11 ISOs, you will find a file named Microsoft-Windows-NetFx3-OnDemand-Package~31bf3856ad364e35~amd64~~.cab inside the sources\sxs folder.