Dism /online /enable-feature /featurename:NetFx3 /All /Source:D:\sources\sxs /LimitAccess : Directs the tool to the required files in the sources\sxs /LimitAccess
You might think, "I have Windows 10—isn't that outdated?" The truth is, millions of legacy programs—from accounting software to classic PC games—still rely on .NET Framework 3.5. While Windows 10 includes .NET Framework 4.8 (or newer) by default, version 3.5 must be installed separately. Net Framework 3.5 Offline Installer Windows 10 64 Bit
⚠️ On many Windows 10 systems, running this will still prompt to download files from Windows Update. If you have no internet, use . Net Framework 3.5 Offline Installer Windows 10 64 Bit