After extraction, you can install .NET Framework 3.5 without internet:
Microsoft Official Docs: Install .NET Framework 3.5 on Windows 11/10 microsoftwindowsnetfx3ondemandpackagecab extra free
If you have legitimately obtained this file (typically by extracting it from a Windows ISO or downloading it from an official Microsoft source), you can install it using the Deployment Image Servicing and Management (DISM) tool. After extraction, you can install
Next time you build a new PC or fix an old one, you will be glad you have it. microsoftwindowsnetfx3ondemandpackagecab extra free
The most reliable method is always to source the file directly from the Windows Installation Media (ISO) provided by Microsoft. This ensures the file is malware-free and matches your specific version of Windows.
Installing the microsoft-windows-netfx3-ondemand-package.cab