To install .NET 3.5 using a CAB file, you must use command-line tools with administrative privileges. 1. Deployment Image Servicing and Management (DISM)
If a computer lacks an active internet connection, it cannot download the necessary files from Windows Update. cab file for .net framework 3.5
Even with the correct CAB file, you may hit snags. Here’s how to resolve them. To install
You can get the . NET Framework 3.5 payload files from Windows Update or the installation media in the \sources\sxs folder. Microsoft Learn cab file for .net framework 3.5
Explain that while metadata for .NET 3.5 exists in Windows images, the actual binaries (the CAB files) are often stripped to save space.