Windows 8 and 8.1 Forums


Can I use a Windows 8 key that I bought on a new PC?

  1. #1


    Posts : 2
    OSX Yosemite

    Can I use a Windows 8 key that I bought on a new PC?


    I had a PC recently. It had Windows 7 on it and I eventually bought a Windows 8 upgrade key. Then the computer died and I switched to Mac. I have an old different PC running Windows XP. Since the original computer is dead, is it possible to use the same key again? When I tried just now it said I can't use an upgrade key to install windows 8, which doesn't make any sense to me.

      My System SpecsSystem Spec

  2. #2


    Posts : 2,690
    Windows 3.1 > Windows 10


    you need to download and create the "Newer" windows 8.1 setup media (link in sig below) you need a win7 or better pc to download the media..

    Windows 8.1 was never intended to install (without a few hardware issues) on a XP machine
      My System SpecsSystem Spec

  3. #3


    Posts : 2
    OSX Yosemite


    This is not a windows 8.1 key, its a windows 8 key
      My System SpecsSystem Spec

  4. #4


    Posts : 879
    Windows 10


    How to transfer Windows 8/8.1 license to new computer. -> link

    Note: This Windows 8.1 installation media accepts Windows 8/8.1 product keys, both OEM and retail (for example, "Windows 8 Pro $15/$40 Upgrade Offer" product key).
    The activation page shows the following message (see screenshot below):

    This product key is being used on another PC. Please try a different key.

    Note: Click on the Call support option (see screenshot below).

    Note: The activation robot asks you how many PC's you have installed Windows on. The correct answer is number 1.

      My System SpecsSystem Spec

Can I use a Windows 8 key that I bought on a new PC?
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