This method never touches the internet.
If you can briefly access the internet to download a large file for later offline use, you can download the (Service Pack 1) from the Official Microsoft Download Center . File Name : dotnetfx35.exe Size : ~231.5 MB
Leo grabbed his phone and searched: download net framework 3.5 windows 10 64 bit offline installer . He immediately saw the trap: shady "driver download" sites promising the file but stuffed with adware. He almost clicked one, but then he remembered his IT friend, Maria.
