1.    07 Sep 2015 #1
    Join Date : Jun 2015
    Posts : 1,023
    Windows 10 Home x64 (Laptop), Windows 10 Pro x64 (Desktop)

    Windows XP to Windows 8 to Windows 10?

    I originally upgraded from Windows XP Pro to Windows 8 Pro then Windows 8.1 Pro using a retail upgrade key for Windows XP Pro to Windows 8 Pro x64.

    Will my upgrade from Windows 8.1 Pro to Windows 10 Pro activate noting I bought a Windows 8 upgrade key at reduced cost?
      My System SpecsSystem Spec

  2.    07 Sep 2015 #2
    Join Date : Jul 2015
    Posts : 2,552
    10 Pro

    Yes it will activate as your 8.1 is licensed. I upgraded to 10 from 8.1 Pro which I got using the same cheap upgrade key.
      My System SpecsSystem Spec

  3.    07 Sep 2015 #3
    Join Date : Aug 2015
    Posts : 610

    Yes, if Windows 8.1 is activated currently, then Windows 10 should activate as well.

    There are two important things to note:
    First make a backup of your things. Preferably a system image of the C:\ drive. Should things go wrong, you will then easily be able to restore your Windows 8.1 system again.
    Second, when you go to Windows 10, you must do an upgrade. Not a clean install, but an upgrade. That can be done by using that little flag icon, which you see in the taskbar or you can use the Media Creation Tool to do the upgrade. Anyway, you have to start the upgrade from inside your current Windows installation.
      My System SpecsSystem Spec

  4.    07 Sep 2015 #4
    Join Date : Jun 2015
    Posts : 1,023
    Windows 10 Home x64 (Laptop), Windows 10 Pro x64 (Desktop)

    Thanks for the advice. I've already been experimenting with Windows 10 using an unactivated version in a VirtualBox VM to confirm my legacy software & drivers will work.
      My System SpecsSystem Spec


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