Windows 8 and 8.1 Forums


Reinstall with Media Center pack.

  1. #11


    Sydney, Nova Scotia, Canada
    Posts : 6,490
    Windows 10 Education 64 Bit


    Windows 8 Core or Pro? You can only enter a Media Center key if its Pro. If it's Core, just 8.0 or 8.1, the key will be refused. If its only Core, it will only accept a Pro key through add features. Once upgraded to Pro you can enter a MC key and do it all again. The key having been used on another PC will not stop you from entering it. I've done it. What will happen if it was used on another PC is it will not activate. When that happens do the phone activation, and when they ask you if it is only installed on one PC say yes. Been there done that. I had a laptop die and reused my Media center key on the replacement. At that time my MC key was only in use on the one PC, so I was not lying. I got the code to type in and it activated. All automated and I never had to talk to a real person.

      My System SpecsSystem Spec

  2. #12


    I misread the problem... you can't add features with your key... I just tried mine on Windows 10 (same PC that had WMC installed initially) and it won't accept it either...
      My System SpecsSystem Spec

  3. #13


    Posts : 7
    Windows 7 & 8


    Well after a bit of trial and error I'm up and running. I actually have 3 copies of Windows 8 at home. One Win8 upgrade version, one Win8 retail version and lastly one Win8.1 retail version
    I must have got confused with what version I originally set up media center on. I hadn't actually tried my Win8.1 copy so last night I installed it and it activated fine, then entered my media center serial in 'add features'. When I'd typed the final character it said something about this key is ok (or similar) so it then installed media center and rebooted. I thought that was it until I went into the system page and it said it wasn't activated. I was then prompted to enter a new key or contact the helpline to run through the automated validation. Success!
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  4. #14


    Posts : 2,690
    Windows 3.1 > Windows 10


    Your Windows 8.1 copy must also be the Pro edition... As WMC only works with the Pro edition
      My System SpecsSystem Spec

  5. #15


    Sydney, Nova Scotia, Canada
    Posts : 6,490
    Windows 10 Education 64 Bit


    Quote Originally Posted by KYHI View Post
    Your Windows 8.1 copy must also be the Pro edition... As WMC only works with the Pro edition
    That's what I'm thinking too. If it's not Pro it won't let you enter the key.
      My System SpecsSystem Spec

  6. #16


    Posts : 7
    Windows 7 & 8


    No they're all 'Pro' versions I've checked
    Win8 Pro upgrade - WMC key 'will not work'
    Win8 Pro retail - WMC key 'will not work'
    Win8.1 Pro Retail - worked

    Oh well its working now so I'm happy

    KYHI - I see from your signature that you can download and install 8.1 using an 8 product key. I tried entering my '8' key last night with an 8.1 iso (that I used for eventually getting WMC working on my 8.1 copy) and it wouldn't accept my key as it said its the wrong version or something. Are those links in your sig a different type of iso that will accept an 8 key for 8.1??
      My System SpecsSystem Spec

  7. #17


    Sydney, Nova Scotia, Canada
    Posts : 6,490
    Windows 10 Education 64 Bit


    If you go here, Create installation media for Windows 8.1 - Windows Help, that media will accept Windows 8.0 and 8.1 keys, even OEM embedded keys. I verified it myself. The only thing is the version you download has to match your key. If you try to install 8.1 with a Pro key it won't work, same thing if you try to install Pro with an 8.0 or 8.1 (Core) key it won't work.
    My MSDN ISO's are multi edition, they can install Core or Pro depending on what key you enter. On my laptop it automatically detects my OEM 8.0 key and installs Core (the non pro version) automatically.

    My MSDN keys are listed as Retail, these are what I'm installing with these days. I use my 8.1 Pro keys. No issues using my Media Center keys on those installs. I have 4 MC keys, I just keep track of what PC they were used on. I've used the same keys with Windows 8.0 and 8.1 on that same PC. No activation issues.
      My System SpecsSystem Spec

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Reinstall with Media Center pack.
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