Once installed, that old game or legacy software will fire right up.
A Windows 10 USB drive or an ISO file mounted as a drive (right-click the ISO > Mount). windows 10 download .net framework 3.5
Dism /online /enable-feature /featurename:NetFX3 /All /Source:D:\sources\sxs /LimitAccess Press Enter. Once installed, that old game or legacy software
Open Command Prompt as Administrator (Right-click Start button > Terminal (Admin) or Command Prompt (Admin)). The Bottom Line You never need to "download"
A: Usually, yes. Always reboot after installing Windows Features to ensure registry keys are properly set. The Bottom Line You never need to "download" .NET Framework 3.5 from a browser. It lives inside your Windows 10 hard drive. Use the Turn Windows features on or off panel first. If that fails, use the DISM command with a Windows USB.
You just tried to install an older game, a legacy accounting tool, or a specialized piece of engineering software. Suddenly, you are greeted by this pop-up: