1.    19 Nov 2016 #1

    Windows key deactivated, after new mobo and cpu.

    I get this message to activate windows but when I do it says that I "don't have a valid digital license or product key" error code 0x803f7001
      My ComputerSystem Spec
  2.    19 Nov 2016 #2
    Join Date : Jan 2015
    UK, Midlands
    Posts : 11,459
    Win 10 Pro (1709)

    Hello, I assume you mean you have a valid Win 10 license, and that now you have changed the hardware and it's not activated, you'd like to know what to do.

    Can I refer you to:
    How to Use Your Free Windows 10 License After Changing Your PC’s Hardware

    - see under the heading
    How to Activate Your Windows 10 License After a Hardware Change

    and otherwise suggest you contact your regional MS activation support?

    More here:
    How to Reactivate Windows 10 After Changing Hardware
    Last edited by dalchina; 19 Nov 2016 at 16:13.
      My ComputerSystem Spec
  3.    19 Nov 2016 #3
    Join Date : Jul 2015
    Posts : 9,633
    Windows 10 Pro

    Windows 10 will deactivate itself because you changed the motherboard. Since you changed the motherboard, it is now on a new computer.

    Look at the last option here for "You recently made a significant hardware change":
      My ComputerSystem Spec


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