Windows 10: Check to see if a computer has been previously upgraded to Windows 10

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  1.    28 Feb 2017 #11

    Kyhi said: View Post
    MS uses a Hardware Hash for the PC to record activation
    Nothing to find on PC itself - only OEM marker, put there by OEM

    what you looking for is just NOT there
    Understood. Thanks for your reply (and the one on the other thread).
      My ComputerSystem Spec

  2.    28 Feb 2017 #12

    windows 8 and up - supports booting from VHD
    create a windows 10 VHD on n external HDD and make the external HDD bootable..

    Boot from the ExHDD and activate windows 10 - if the activation goes through > then you can safetly upgrade that PC's HDD
      My ComputerSystem Spec

  3.    28 Feb 2017 #13

    If the computer has a MS COA (Certificate of Authenticity) sticker on it with a Windows 7 product key, you should still be able to activate a matching Windows 10 on that computer by changing the product key to the one on the COA. If there is a Windows 8 product key stored in BIOS, the Windows 10 installation should pick that up automatically and activate automatically.

    Again, we don't know when MS is going to turn off this capability, but they have not yet.
      My ComputerSystem Spec

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