/Source : Points directly to the folder containing the CAB file. 3. Alternative Direct Package Addition

: This occurs when Windows cannot find the source files. Ensure the path in your DISM command correctly points to the \sources\sxs folder.

If you don't have the media, Microsoft's Deployment Considerations suggest using the folder from a matching Windows version ISO. How to Install Using the CAB File

file for modern versions of Windows like 10 or 11. Instead, you must retrieve it from an official ISO: Official Windows ISO

: microsoft-windows-netfx3-ondemand-package.cab (the name may include architecture or language strings like ~amd64~~ ). Path : [Drive Letter]:\sources\sxs\ . Installation Method (Offline/DISM)