Windows 10: Downgrade Windows 10 Enterprise to Windows 10 Pro  

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  1.    19 Jul 2017 #30

    I dont want to install clean Pro version because I have a data on disk and installed programs.

    But, I dont know how to install a KMS Setup key found in \sources\Product.ini :-)

      My ComputerSystem Spec

  2. Posts : 29,287
    64-bit Windows 10 Pro build 17672
    Thread Starter
       19 Jul 2017 #31

    Is the computer still joined to the company's domain?

    If so, leave the domain, and see if you are able to change the product key to downgrade to Pro.
      My ComputersSystem Spec

  3.    19 Jul 2017 #32

    Nope, I dont have a access to company network. Everything I am trying on public network.

      My ComputerSystem Spec

  4. Posts : 29,287
    64-bit Windows 10 Pro build 17672
    Thread Starter
       19 Jul 2017 #33

    If you haven't already, see if you may be able to downgrade using the generic Pro key in the tutorial.

    If successful, you can change the key again afterwards to enter your Pro key to activate with.
      My ComputersSystem Spec

  5.    19 Jul 2017 #34

    This key?


    The same error 0xc004f014.

      My ComputerSystem Spec

  6. Posts : 29,287
    64-bit Windows 10 Pro build 17672
    Thread Starter
       19 Jul 2017 #35

    Yeah, that's the one.

    If you were upgrading from Home to Pro, you could just use installation media to do so using the Pro key to activate without losing anything.

    I'm not sure you will be able to avoid a clean install to go from Enterprise to Pro since you getting this error message while attempting to downgrade.
      My ComputersSystem Spec

  7.    19 Jul 2017 #36

    Thanks Brink for help.

      My ComputerSystem Spec

  8. Posts : 2
    Win 10 Enterprise
       14 Aug 2017 #37

    Usable Product Keys for Enterprise downgrade to Pro

    Hi, very interested in this opportunity simply to downgrade without having to reinstall.

    Background - I got to Win 10 Enterprise when Win 10 was first released; at that time I think I was offered only Home or Enterprise, so selected Enterprise as my upgrade route from Win 7 Ultimate.

    From there the Windows authentication process led to the digital signature being installed in my machine.

    So I don't have a Win 10 Pro key to use in order to downgrade my setup. I only have my older Win 7 Pro and Win 7 Ultimate licenses available to me.

    Can I use one or other of these as the key for a downgrade?

    [Background - the reason I want to downgrade is due to problems upgrading to Creators Edition with Enterprise. Microsoft have suggested I reinstall, which I think will mean I need to go back to Win 7 Pro and build forward from there. If it's possible instead to just do a downgrade from Enterprise I'd rather go that way. I think I'm fine from an edition point of view; currently on 1607 and trying to go to 1703.]
      My ComputerSystem Spec

  • Posts : 29,287
    64-bit Windows 10 Pro build 17672
    Thread Starter
       14 Aug 2017 #38

    Hello wetenhr, and welcome to Ten Forums.

    You could downgrade to Windows 10 Pro using the generic key under step 1. You'll still be using the same version that you currently have installed, but you will be able to update to the latest version and build via Windows Update.

    When it's finished downgrading, you could try to activate Windows 10 Pro with your Windows 7 Pro or Ultimate key. If unsuccessful, you may need to purchase a Windows 10 Pro key from the Store to use to activate with.
      My ComputersSystem Spec

  • Posts : 2
    Win 10 Enterprise
       14 Aug 2017 #39

    Win 10 downgrade to Pro fixed it for me

    Well wow, that all worked for me. After at least four weeks of searching for the answer, this has fixed it!

    I downgraded exactly as you said, using the old Win 7 Pro product key. That turned Enterprise into Pro again.

    Then I ran the Creators Update via the Win 10 Upgrade Assistant. Worked first time, no problems.

    You made my day. Thank you.

      My ComputerSystem Spec

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