Activate Windows 8.x From a Command Line

The standard way to activate Windows 8.x is to go to Control Panel / System and Security / System, then activate windows with your product key.  Sometimes this can fail.  If it does, you can activate from a command line.

 

Run cmd as an administrator, then execute this command:

slmgr.vbs –ipk "Enter-Your-Product-Key-Here"

You need to enter the quotes. Replace the text with your product key.

That’s it. As long as your product key is valid, Windows will activate.

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