Windows 10: Fresh install, upgraded license Solved

  1.    05 Mar 2016 #1

    Fresh install, upgraded license

    I am current running on Windows 10 Pro, upgraded from Windows 7 Pro Retail.

    I am going to make a fresh install Win 10, but with which Product Key will I need to use to active (Windows 7)?
    Or do I have to install Windows 7 first (and upgrade to Windows 10 again)?

    Or, if I want to transfer my license to an another computer, do I need to install Windows 7 first?

    Thank you so much
      My ComputerSystem Spec

  2.    05 Mar 2016 #2

    You simply install 10 Pro and skip key entry. In rare event, it does not activate, use 7 pro key to activate.

    To transfer to new pc, you can clean install windows 10, and use 7 key to activate. However sometimes it will complain key is in use, so you would need to reinstall 7 (don't do all the updates), then telephone activate it, saying that is your only pc. Then you will be able to clean install 10 and use 7 key to activate. You are required to move OS from old drive of course.

    A good trick is to install 7 on a spare hard drive, temporarily removing drive with 10 installed.
      My ComputerSystem Spec

  3.    07 Mar 2016 #3

    cereberus said: View Post
    A good trick is to install 7 on a spare hard drive, temporarily removing drive with 10 installed.
    and grabbing the genuineticket.xml file for insurance:
    Clean Install Windows 10 Directly without having to Upgrade First - Windows 10 Forums
      My ComputerSystem Spec


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