Windows 8 Activation using Command Line Utility slmgr

Windows 8 uses the same command line utility slmgr as Windows 7 for activation with a MAK (Multiple Activation Key). Follow these simple steps to activate your Windows 8.

  1. Open up an elevated command prompt.
  2. Enter the following
    slmgr -ipk your-mak-key-here
    
    slmgr -ato

To learn more about this command, type the following command.

slmgr /?

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