While attempting for Windows Activation in Windows 7, it prompts for New Product Key and actives when provided. But Windows 8 does not ask for Product Key, then how to provide this to activate windows?
Take the following steps to change product key in Windows 8:
- Open Elevated Command Prompt. (Right Click on Command propmt and select ‘Run As Administrator’)
- Enter the command cscript.exe %windir%\system32\slmgr.vbs /ipk XXXXX-XXXXX-XXXXX-XXXXX-XXXXX where XXXXX-XXXXX-XXXXX-XXXXX-XXXXX is the product key provided by your supplier.
- Press Enter.
After this step windows will get activated automatically.
Alternatively, if you want to use graphical interface run the command slui.exe 3