Friday, November 27, 2015

Change the Windows 8 product key after installation?


I just completed a fresh install of Windows 8 Pro as it was released to MSDN. Installation went without a hitch however I can't find out where to enter the correct product key for the copy I have.


Clicking on the Activate this Computer in Activity Centre displays the following screen, but no option to change the product key:


Windows 8 Activation Screen


Answer



Just follow these steps to add/change product key using Command Prompt and slmgr.vbs:



  1. Launch Command Prompt as an Administrator.


  2. At the command prompt, type in slmgr.vbs -ipk(insert your product key here) and click Enter.


  3. To activate windows, type in slmgr.vbs -ato and click Enter.



All information form this Source


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