Windows 8 and 8.1 Forums

Changing product key

  1. #1


    Posts : 185
    W10 Pro/W8.1 Pro/ W7 Ult

    Changing product key


    I have reviewed the tutorial how to do it. My W8 Pro installation was done by using a full version setup DVD. I am wondering if the new key can be that of an Upgrade version. Anyone attempted or have done this change?

      My System SpecsSystem Spec

  2. #2


    Posts : 22,565
    64-bit Windows 10


    You may have to use step 5 or 6 in the tutorial below to activate it if you get an error after changing to an upgrade key.

    Clean Install with Windows 8 Upgrade
      My System SpecsSystem Spec

  3. #3


    Posts : 185
    W10 Pro/W8.1 Pro/ W7 Ult


    Brink,
    I prepared the recovery image but I did not have to use this. Executing slui.exe 3 and entering a new key did it.
    Thank you very much for your help.
      My System SpecsSystem Spec

  4. #4


    Posts : 22,565
    64-bit Windows 10


    Great news.
      My System SpecsSystem Spec

Changing product key
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