Windows 8 and 8.1 Forums


Windows 8 OEM Key Not Working

  1. #1


    Posts : 3
    win8

    Windows 8 OEM Key Not Working


    I have a lenovo laptop that came with Windows 8 x64.

    I used ProduKey to extract the license key of my Windows 8 x64.

    I downloaded a Windows 8.1 x64 ISO and tried to do a clean install of Windows 8.1 using a USB. It asked me for a key, so I put in the key that was extracted. It said the key was in valid

    I also went to this website, Upgrade Windows with only a product key - Microsoft Windows Help, and tried to use the key for both Windows 8 and 8.1, but both of them didn't work.

    I booted the USB in legacy mode (NOT UEFI mode)

      My System SpecsSystem Spec

  2. #2


    Posts : 56
    Windows 8.1 Pro x64 (6.3.9600)


    Use one of these keys to install, then enter your key and activate.

    Windows 8 (core):
    334NH-RXG76-64THK-C7CKG-D3VPT

    Windows 8 PRO: XHQ8N-C3MCJ-RQXB6-WCHYG-C9WKB



    Activate retail Windows 8.1 with Windows 8 Product key.
      My System SpecsSystem Spec

  3. #3


    United States
    Posts : 3,093
    Windows 8.1 Pro 64-bit


    Ain't gonna work. OEM keys can't activate retail ISO.
      My System SpecsSystem Spec

  4. #4


    Posts : 879
    Windows 10
    Last edited by genet; 11 Apr 2014 at 07:41.
      My System SpecsSystem Spec

  5. #5


    United States
    Posts : 3,093
    Windows 8.1 Pro 64-bit
      My System SpecsSystem Spec

  6. #6


    Posts : 879
    Windows 10


    Quote Originally Posted by popeye View Post
    Ain't gonna work. OEM keys can't activate retail ISO.
    After Windows 8.1 retail version installation (you have to enter the Windows 8.1 generic product key), you can activate Windows 8.1 retail version with your Windows 8 OEM product key (except when you have Windows 8 Single Language version, then you need to download Windows 8.1 Single Language ISO image).
      My System SpecsSystem Spec

  7. #7


    Posts : 959
    Windows 8.1, 10


    Quote Originally Posted by popeye View Post
    Ain't gonna work. OEM keys can't activate retail ISO.
    My understanding is that OEM keys can't be used with this method of downloading the retail ISO, but that's different to activating once you have the ISO.
    How to download the Windows 8.1 ISO
      My System SpecsSystem Spec

  8. #8


    Posts : 19
    Win 8.1 64 bit


    Yeah.. Same problem here. I gave up.
      My System SpecsSystem Spec

  9. #9


    Posts : 14
    8 home prem


    I finally got it to work on my OEM computer using the Upgrade Windows with only a product key link. After the download that MS link generated a product key and that's the one I used. I also deleted all partitions during installation. FWIW that process also changed my product key in the UEFI to the one I downloaded...strange I must say.
      My System SpecsSystem Spec

  10. #10


    United States
    Posts : 3,093
    Windows 8.1 Pro 64-bit


    Quote Originally Posted by Bill818 View Post
    I finally got it to work on my OEM computer using the Upgrade Windows with only a product key link. After the download that MS link generated a product key and that's the one I used. I also deleted all partitions during installation. FWIW that process also changed my product key in the UEFI to the one I downloaded...strange I must say.
    Say what? What key did you use to download? I can't either my OEM or generic keys to work. I feel pitiful.
      My System SpecsSystem Spec

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