Net Framework 3.5 Offline Installer Windows 11 64 Bit [portable] Jun 2026

Right-click the Start button and select Terminal (Admin) or Command Prompt (Admin) .

Ensure your Windows 11 ISO matches your current build version and that the path to the \sources\sxs folder is correct. Verification: Is it installed? To confirm the installation was successful: Open Terminal (Admin) . Type: Get-WindowsCapability -Online -Name NetFx3~~~~ Look for State : Installed . net framework 3.5 offline installer windows 11 64 bit