Okay, I bought a Windows 8 Pro last year. And the Product Key has been in use on my Desktop computer. But I just recently used my Windows Media Center key. And I had to reactivate my desktop using the MC-Key. Now I don't know of I'm right or not. But Wouldn't my Original Windows 8 pro Key be free to be used on another computer? Or Is the original windows 8 pro key still tied to my current system? Just curios that's all, and If this has already been asked, Staff please feel free to delete this.