Windows 8 and 8.1 Forums


Installing windows 8.1 Pro using OEM key on a fresh build

  1. #1


    Finland
    Posts : 2
    Windows 8.1 Pro

    Installing windows 8.1 Pro using OEM key on a fresh build


    Hi there, new on these forums and after hours of searching I decided to put up my own thread to get help.
    I have a freshly built custom PC and a Win 8.1 Pro OEM key.
    I can download the installer using my key and I can download the installer using mediacreationtool.
    I can also install those two with the key, but for some reason I cannot activate my windows with it.
    It give the errorcode: 0xC004C003
    I have tried reinstalling and using the phone activation but it just tells me it has failed and eventually hangs up.
    Any ideas on what to do? Getting a bit desperate and considering on purchasing a new license.

    Thanks in advance.

      My System SpecsSystem Spec

  2. #2


    Finland
    Posts : 2
    Windows 8.1 Pro


    Never mind, I called Microsoft Tech help and they determined it being a pirated key and said it will never activate. Money out the window(s) so to speak.
      My System SpecsSystem Spec

Installing windows 8.1 Pro using OEM key on a fresh build
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