Change Windows - 7 Product Key Portable

If the graphical interface fails or the "Change product key" link is missing, you can use the via an elevated Command Prompt.

If you need to change the product key for your copy of Windows 7—whether because you’ve purchased a new license, upgraded your edition, or are resolving activation issues—you can do so easily without reinstalling the operating system. Follow the steps below. change windows 7 product key