Thankfully, there's a robust, time-tested solution that works entirely offline and costs nothing extra: the file. This comprehensive guide will walk you through everything you need to know about obtaining this file for free, installing .NET Framework 3.5 offline using DISM commands, and troubleshooting common errors that arise during the process.
Right-click the downloaded ISO and select Mount . microsoftwindowsnetfx3ondemandpackagecab extra free
Disclaimer: Ensure you download the CAB file from reputable sources to avoid malware. there's a robust