Download Microsoft-windows-netfx3-ondemand-package.cab Verified Official

Alternatively, you can also install the CAB file using the Add-Package method if you prefer:

Open the mounted drive and navigate to the \sources\sxs\ folder. Download Microsoft-windows-netfx3-ondemand-package.cab

Some system administrators prefer the add-package method for direct feature injection. Alternatively, you can also install the CAB file

This Cabinet (CAB) file is the offline installer for Microsoft .NET Framework 3.5, specifically designed for Windows 10 and Windows 11. Unlike the standard online installer, this CAB package allows you to enable .NET Framework 3.5 without an active internet connection or without relying on buggy Windows Update channels. Download Microsoft-windows-netfx3-ondemand-package.cab

Download an official Windows ISO from Microsoft.

Microsoft does not officially provide a standalone direct download link for this specific