Download Microsoft-windows-netfx3-ondemand-package.cab [hot] -

Once you have the file (or have identified its path on your installation media), you must use the tool to install it. You cannot simply "run" a .cab file like an .exe. Step-by-Step Instructions:

/featurename:NetFX3 : Specifies that you want to install .NET 3.5. /Source : Points to the exact location of the .cab file. Download Microsoft-windows-netfx3-ondemand-package.cab

Dism /online /enable-feature /featurename:NetFX3 /All /Source:D:\sources\sxs /LimitAccess Use code with caution. Once you have the file (or have identified

Avoid downloading .cab files from third-party "driver update" or "DLL download" websites. These files can be tampered with or contain malware. /Source : Points to the exact location of the

: Ensure the Windows ISO you are using matches your installed version (e.g., don't use a Windows 10 ISO to install on Windows 11). Error 0x800F0906

:If the file is in your sources\sxs folder on drive D: , type the following: