As of the latest Windows updates, Microsoft has restricted public direct downloads for security reasons. Use the Windows ISO method above – it's official, free, and malware-free.
Navigate to the folder inside the mounted drive.
microsoft-windows-netfx3-ondemand-package.cab is the offline installer package for .NET Framework 3.5, which is required by many older applications. Because this package must match your specific Windows version (e.g., 21H2, 22H2), Microsoft does not provide a single, universal "free download link" for the file itself.
Ensure you included the /LimitAccess switch at the end of your DISM command to force the system to ignore online updates. Conclusion
While there is no direct "public link" to download the microsoft-windows-netfx3-ondemand-package.cab file standalone, it is freely available to all Windows users within the official Windows ISO. Extracting it from the ISO is the only secure method to guarantee that the file matches your OS build version and is free from tampering. microsoftwindowsnetfx3ondemandpackagecab download free link
Right-click on and select Run as administrator . Step 3: Run the Installation Command Type the following command and press Enter:
If you have internet access, you do not need to download the
Copy the microsoft-windows-netfx3-ondemand-package.cab file from there.
dism /online /add-package /packagepath:C:\microsoft-windows-netfx3-ondemand-package.cab Use code with caution. As of the latest Windows updates, Microsoft has
You might need this file if you encounter one of these common .NET Framework 3.5 installation issues:
This method is useful for system administrators who need to deploy the feature on multiple machines, allowing them to use the standard Windows graphical interface.
If this process fails with error codes like 0x800F0950 , 0x800F0906 , or 0x800F081F , it means your network is blocking the download, and you must revert to the DISM method utilizing the official CAB package detailed above. Conclusion
: Use the official Microsoft Media Creation Tool to download a Windows 10 or 11 ISO file. microsoft-windows-netfx3-ondemand-package
You downloaded a fake or altered file. Fix: Right-click the CAB > Properties > Digital Signatures. It must show “Microsoft Windows.” If not, delete it immediately and download from the official Update Catalog.
/online : Tells the tool to apply the feature to your currently running operating system.
If you are unable to obtain the ISO, try these methods to enable .NET Framework 3.5:
The standard method of enabling .NET Framework 3.5 via Control Panel > Turn Windows features on or off downloads files from Windows Update. This fails for three common reasons:
What the CAB contains
/LimitAccess : Prevents DISM from contacting Windows Update, ensuring a strict, successful offline installation. Alternative: Enabling .NET 3.5 via Control Panel