In this post, we’ll show you how to locate the correct CAB file for .NET Framework 3.5 and how to install it manually using DISM.
: Ensure your Windows installation media is mounted or the .cab file is copied to a known location (e.g., C:\cabfiles\ Run Command Prompt as Administrator : Right-click the Start button and select Command Prompt (Admin) Windows Terminal (Admin) Execute the DISM Command : Run the following command, replacing with your actual path: cab file for .net framework 3.5