If you need help with a or a different version of Windows , let me know so I can give you the exact command. Install .NET Framework 3.5 on Windows 10 - Microsoft Learn
Once you have the .cab file, you have two primary methods to install it: using – the recommended approach for all users, or using PowerShell . Download Microsoft-windows-netfx3-ondemand-package.cab
Thus, even on a modern Windows 11 PC, you may need this file. If you need help with a or a
Here, C:\temp is the folder containing the CAB file. or using PowerShell . Thus
(replace D: with the drive letter of your installation media):
: Copy the microsoft-windows-netfx3-ondemand-package.cab file to the root of your system drive (usually C:\ ).