1.    05 Aug 2015 #1
    Join Date : Aug 2015
    Posts : 1
    Windows 10 Pro x64

    Will Windows 10 be activated

    What about this scenario:
    1. Was running activated copy of Windows 7
    2. Performed clean install of Windows 10 from USB boot
    3. Cannot activate Windows 10 because upgrade was not performed from Windows 7

    What if I do this:
    1. Disconnect primary drive and attach a different drive
    2. Clean install Windows 7 and activate
    3. Upgrade the drive to Windows 10 and activate
    4. Disconnect this drive and reattach and boot from the primary drive

    Will Windows 10 be activated or allow me to activate now without reloading what I already have?
      My System SpecsSystem Spec

  2.    05 Aug 2015 #2
    Join Date : Apr 2015
    Posts : 444
    Windows 10 Pro x64

    That should work ok. Microsoft wants to see an upgrade from activated Windows 7 or 8/8.1 to Windows 10 and record you system details on its activation database. After that, a clean install should activate successfully. Swapping in a clean install of Windows 10 on a hard drive created on your current system should work after the above upgrade.
      My System SpecsSystem Spec

  3.    06 Aug 2015 #3
    Join Date : Jul 2015
    Posts : 5,884
    Windows 10 Pro

    I would think it would work. After you are all completely done, if Windows 10 doesn't activate automatically, open an elevated command prompt ("Run as Administrator" command prompt), type slmgr /ato

    That will run the online activation

    then type slmgr /xpr

    That will tell you if you are activated and if/when activation will expire.
      My System SpecsSystem Spec


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