[better] Download Microsoft-windows-netfx3-ondemand-package.cab -
You already own this file if you have a Windows USB drive or ISO file. This is the safest method.
Alternatively, open PowerShell and run:
The Microsoft-Windows-NetFx3-OnDemand-Package.cab file is the critical component used to install .NET Framework 3.5 offline on Windows 10 and Windows 11. This file is required when standard internet-based installation methods fail, often due to error codes like or 0x800F0906 . Where to Find the CAB File Download Microsoft-windows-netfx3-ondemand-package.cab
Because this file is so popular, malicious actors often rename viruses or malware to look like this .cab file. Only download from official or trusted sources. You already own this file if you have