Microsoft Windows 8 Enterprise Activation

• Command Line option:

  Hit the Windows+R hotkeys to open the Run box and run the following command:

  slmgr -ipk xxxxx-xxxxx-xxxxx-xxxxx-xxxxx
  

• GUI option:

  Hit the Windows+R hotkeys to open the Run box and run the following command:

  slui.exe 3
  

 

Thanks to Keith Mayer is a Senior Technical Evangelist at Microsoft.

http://blogs.technet.com/b/keithmayer/archive/2012/08/24/tip-of-the-day-microsoft-windows-8-enterprise-activation-itpro-windows8.aspx#.UkviCxBGNdc