Once installed, that old game or legacy software will fire right up.
Dism /online /enable-feature /featurename:NetFX3 /All /Source:D:\sources\sxs /LimitAccess Press Enter. windows 10 download .net framework 3.5
A: No. .NET 3.5 and .NET 4.8 (the modern version) run side-by-side. Installing version 3.5 will not affect newer apps or games. Once installed, that old game or legacy software
Open Command Prompt as Administrator (Right-click Start button > Terminal (Admin) or Command Prompt (Admin)). grab the necessary files
A Windows 10 USB drive or an ISO file mounted as a drive (right-click the ISO > Mount).
Windows will reach out to Windows Update, grab the necessary files, and install them. This takes about 2 minutes. Once done, restart your software.