Windows 10: Upgrade W10 Edition with W7 key, possible? Solved

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  1.    08 Jul 2016 #1

    Upgrade W10 Edition with W7 key, possible?


    Hello, I was sure I would be able to use W7 Pro OEM key I have spare to upgrade my W10 Home to Pro (preinstalled OEM OA), but when I try to change product key in Settings> Updates> Activation, the W7 key is refused with 0x004f210 error. Did I misunderstood the process or is something wrong with the key itself..?
      My ComputerSystem Spec

  2.    08 Jul 2016 #2

    Go to activation menu - click on link "go to store".

    This takes you to pro purchase menu.

    Under the buy pro 10 button is a link "I have a Pro 10 key".

    Click on that and enter 7 Pro key.
      My ComputerSystem Spec

  3.    08 Jul 2016 #3

    Hello, this is the same as described, I tried both. I actually thought it's the same thing.

    cereberus said: View Post
    Go to activation menu - click on link "go to store".

    This takes you to pro purchase menu.

    Under the buy pro 10 button is a link "I have a Pro 10 key".

    Click on that and enter 7 Pro key.
      My ComputerSystem Spec


  4. Posts : 8,174
    Windows 10 Enterprise and Pro/Windows 7 Enterprise/Linux Mint
       08 Jul 2016 #4

    See if this link helps https://support.microsoft.com/en-us/...0-why-activate

    Or you could try this


    1. Press “Windows key + R” to get the run window.
    2. Type “slui 4” and press enter.
    3. Select your 'Country' from the list.
    4. Choose the 'Phone Activation' option.
    5. Stay on the phone (do not select/press any options) and wait for a person to help you with activation.
    6. Explain your problem clearly to the support person.
    7. Follow the on screen directions to activate over phone.
      My ComputersSystem Spec

  5.    08 Jul 2016 #5

    OK, that's good idea, I will try phone activation. So basically, what I am trying to achieve should work, right?
      My ComputerSystem Spec

  6.    08 Jul 2016 #6

    essenbe said: View Post
    See if this link helps https://support.microsoft.com/en-us/...0-why-activate

    Or you could try this


    1. Press “Windows key + R” to get the run window.
    2. Type “slui 4” and press enter.
    3. Select your 'Country' from the list.
    4. Choose the 'Phone Activation' option.
    5. Stay on the phone (do not select/press any options) and wait for a person to help you with activation.
    6. Explain your problem clearly to the support person.
    7. Follow the on screen directions to activate over phone.
    Read OP post again.

    The issue is not activation.

    The issue is he is trying to upgrade to PRO from Home!
      My ComputerSystem Spec

  7.    08 Jul 2016 #7

    Ren said: View Post
    OK, that's good idea, I will try phone activation. So basically, what I am trying to achieve should work, right?
    No 100% - it will not work. You have to upgrade to Pro.

    What version of 10 home do you have installed 10240 or 10586 (run winver).

    You need to upgrade to 10586 to use 7 key.

    In answer to other post, the change product key option is not same as clicking on the link I told you about.
      My ComputerSystem Spec

  8.    08 Jul 2016 #8

    Yes, I do have 1511 (10586) patch installed.
    edit:\> Click image for larger version. 

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    So, this is how it looks after clicking the link 'I have a W10 Pro key.' and I'm still confused. Should it work or not?

    edit2:\> Well, I called the activation line to ask if my key is alright but there's only a machine, which goes directly to entering first block of installation ID which I do not have, obviously. No option to speak with live person.:-( I even tried another (last) W7Pro key I have available, no luck, same thing.
    Last edited by Ren; 08 Jul 2016 at 10:55.
      My ComputerSystem Spec

  9.    08 Jul 2016 #9

    To update Win 10 Home to Pro you need a Win 10 Pro key (even the generic)

    To activate Win 10 Pro a Win 7 COA key can be used (I assume it's from the same PC being updated?
    (...otherwise it's contrary to the EULA, and NavyLCDR will send the Marines to your house and confiscate your PC's)
      My ComputerSystem Spec

  10.    08 Jul 2016 #10

    Microsoft tells you how to do it:

    https://support.microsoft.com/en-us/...ng-home-to-pro

    Read the very last link: Upgrade using a Windows 7 Ultimate, Windows 7 Professional, Windows 8 Pro, or Windows 8.1 Pro product key
    @Superfly - you funny guy, you! :-)
      My ComputerSystem Spec


 
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