Many users try the GUI approach: Control Panel > Programs > Turn Windows features on or off > Check .NET Framework 3.5 > OK.
Did this guide help you? Bookmark it. Share it with your IT team. And always keep a copy of the Windows 10 64-bit ISO on a network drive—because when .NET 3.5 fails, the offline installer saves the day. Net Framework 3.5 Offline Installer Windows 10 64 Bit
Liam held his breath. He copied the entire sxs folder to his own desktop, then dragged it onto the SanDisk. Three minutes later, he was back at the Dell, heart thumping. Many users try the GUI approach: Control Panel