Follow these steps to fix .NET Framework 3.5 Installation Error 0x800F0950 in Windows 11/10. They are sure to help you fix the issue.

If you see the 0x800F0922 .NET Framework installation error while updating or installing .NET Framework 3.5 or 4,8, use these working fixes.

Additionally, if you don't want to download the whole Redistributable package from Microsoft (thus skipping steps 1-3), download only the CAB file for .NET Compact Framework 3.5 from MoDaCo.