Windows 10: MAR Key: Validity

Discus and support MAR Key: Validity in Windows 10 Updates and Activation to solve the problem; Hello, I recently bought a Microsoft Authorized Refurbisher (MAR)-Key for Windows 10 Pro 64-bit. I plan to upgrade my existing Windows 10 Home... Discussion in 'Windows 10 Updates and Activation' started by #Chromium, Sep 25, 2019.

  1. #CHROMIUM
    #Chromium Win User

    MAR Key: Validity


    Hello,


    I recently bought a Microsoft Authorized Refurbisher (MAR)-Key for Windows 10 Pro 64-bit. I plan to upgrade my existing Windows 10 Home Edition with this new MAR key. Since my current PC is quite old: what happens if the PC suddenly stops working and I need to buy a new PC? Will the MAR key work on the new PC (e.g. can I migrate my key), or is an MAR key a one-time activation key that loses validity afterwards?


    Looking forward to your helpful answers.

    :)
     
    #Chromium, Sep 25, 2019
    #1
  2. MIKEPATERSON
    mikepaterson Win User

    Valid Win7 Product Key not accepted by Win 10 upgrade


    Hi,

    I did not realise I had been at all vague, my apologies.

    Unfortunately my neighbour now has his laptop back as I got nowhere. I have suggested he wait until the windows 10 upgrade system makes it available through windows update (it is in the queue).

    As stated, I have tried running from the media created by the media creation tool to a USB (this is what I used to successfully upgrade my laptop and surface Pro). I have also run the media creation tool and opted for it to upgrade directly rather than save the files.

    The operating system is Win7 Home premium OEM version. The key is valid and I re-validated it to be sure with the MS online actvation system. The laptop is 64-bit.

    On each occasion it goes through the initial install steps and then gets to the screen where it asks for the product key.

    On this screen there is no skip option and as the product key is not accepted, the only option is to cancel the install.

    For some reason the upgrade seems to be taking a different path on this machine and does not give the skip option.

    Regards
    Mike
     
    mikepaterson, Sep 25, 2019
    #2
  3. SHADOWFOLD
    ShadowFold Win User
    My Windows Vista key is not valid?

    A message just popped up saying my key is not valid and I have to buy another or call ms.. How come ive been on it for a week and it just now says its "not valid"? Its a Home Premium key I bought off of newegg, do I call them or call ms?
     
    ShadowFold, Sep 25, 2019
    #3
  4. APHRODITE.SOFT
    aphrodite.soft Win User

    MAR Key: Validity

    windows 10 says it can't validate product key

    When I upgraded my windows 7 with win10, it says it cant validate my product key? Why? Can you give me the steps to follow to validate it?
     
    aphrodite.soft, Sep 25, 2019
    #4
Thema:

MAR Key: Validity

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