Windows 8 and 8.1 Forums


Windows 8 Add Features will not accept Windows 8 Pro key

  1. #1


    Ontario, Canada
    Posts : 20
    Windows 8 Professional 64b

    Windows 8 Add Features will not accept Windows 8 Pro key


    Hello all,

    I figured this was a good place to put this as I suspect it has to do with activation.

    I'm currently upgrading my friends windows 7 home machine to windows 8 pro.. I have already upgraded him to windows 8 using an already activated key (This laptop I'm working with will NOT be activated, so I used the key purely for the installation.)

    I attempted to use the "Add features to windows" feature in Windows 8, and my first attempt accepted the Windows 8 Pro upgrade key I received from ExpertZone (This key is completely unused at this point).

    The upgrade got interrupted and I had to force close it. When I tried to start the upgrade again, it would no longer accept the exact same key. It said "This key won't work. Check it and try again." The thing is, I never re-entered the key.. it got copied from the first attempt, so I know they are identical entries.


    Has anyone encountered this? Should I attempt an upgrade outside of Windows using a boot disk?

    Any help is appreciated, thank you.

    For reference --> The unit in question is a Lenovo Z575.

      My System SpecsSystem Spec

  2. #2




    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1


    You can not use a Windows 8 Pro upgrade key on a Preinstall Windows 8 HP PC.
    You need to use the Pro Pack, or full Retail.
      My System SpecsSystem Spec

  3. #3


    Ontario, Canada
    Posts : 20
    Windows 8 Professional 64b


    This machine is a Lenovo Z575, which has already been upgraded from it's OEM install of Windows 7 to Windows 8.
      My System SpecsSystem Spec


  4. #4




    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1


    You can upgrade Windows 7 to Windows 8 Pro.
    or
    upgrade Windows 8 to Windows 8 Pro Pack.
      My System SpecsSystem Spec

  5. #5


    Ontario, Canada
    Posts : 20
    Windows 8 Professional 64b


    The issue has been resolved. I was able to upgrade using an 8 pro ISO that I gained access to.
      My System SpecsSystem Spec

  6. #6




    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1


    The legal way is upgrade Windows 7 to Windows 8 Pro.
    or
    upgrade Windows 8 to Windows 8 Pro Pack.

    Windows.old Folder - Delete in Windows 8
      My System SpecsSystem Spec

  7. #7


    Ontario, Canada
    Posts : 20
    Windows 8 Professional 64b


    As stated in my Original Post: the key I had was a "Windows 8 Pro upgrade key I received from ExpertZone" for completing a Windows 8 Accreditation.

    This issue is solved and all product keys are legally owned.
      My System SpecsSystem Spec

Windows 8 Add Features will not accept Windows 8 Pro key

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