Tap on the Windows-key, type cmd.execmd.exeCommand Prompt, also known as cmd.exe or cmd, is the default command-line interpreter for the OS/2, eComStation, ArcaOS, Microsoft Windows (Windows NT family and Windows CE family), and ReactOS operating systems.https://en.wikipedia.org › wiki › Cmdcmd.exe – Wikipedia and hit enter. Type slmgr /xpr and hit enter. A small window appears on the screen that highlights the activation status of the operating system. If the prompt states “the machine is permanently activated”, it activated successfully.