Will Windows 8.0 pro upgrade key work?

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  1. Posts : 42
    Windows 10
       #1

    Will Windows 8.0 pro upgrade key work?


    A few years ago i bought a windows 8.0 pro upgrade dvd with a windows 8 pro upgrade key.
    Will this windows 8.0 pro upgrade key work when i do a clean install of windows 10 pro version 1511?Or will it only work with a full licence key?
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  2. Posts : 5,442
    windows 10 Pro ver 21H2 build 19044.1348
       #2

    The computer you want to do clean install.................... what Windows OS is it running on ?
    Vista, Win 7 ?

    If it is a Vista, then you should use the Win 8 upgrade software and install Win 8 first. Then you will be entitled to have a free upgrade to Win 10.
    If it is a Win 7, and if it is genuine and activated, you are entitled to have a free upgrade to Windows 10. You don't need that Win 8 upgrade key at all.
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  3. Posts : 42
    Windows 10
    Thread Starter
       #3

    The pc has now windows 8 pro activated with a windows 8 pro update key.
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  4. Posts : 5,442
    windows 10 Pro ver 21H2 build 19044.1348
       #4

    Then you are entitled to have free upgrade to Windows 10 Pro.
    You can wait for Windows Update to offer you the free upgrade, or use one of the 2 links below to download the iso file.

    Media Creation Tool (MCT)
    https://www.microsoft.com/en-us/soft...load/windows10

    Tech Bench
    http://www.microsoft.com/en-us/softw...load/techbench

    With the iso downloaded, you can do an in-place upgrade install, or if you insist, burn the iso file to a bootable media such as DVD or USB and do a clean install.

    Either case, you don NOT need that Win 8 upgrade software.
    Activation will be automatic after installation.
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  5. Posts : 42
    Windows 10
    Thread Starter
       #5

    Thanks davishk.
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  6. Posts : 5,442
    windows 10 Pro ver 21H2 build 19044.1348
       #6

    For an in-place upgrade, you can use my "simplified" method................
    Using MCT as example................
    Download the Tool and run it.
    Then select
    Create installation media for another PC
    That will begin downloading the ISO file to your computer.
    When download is completed, RIGHT click at the ISO > click Mount > click Setup.exe.
    That will begin installing Windows 10.
    You have the choice of keeping settings, files and apps, or keeping nothing.
    No product key is required.
    Activation will be automatic.

    For Clean Install:
    Use your F key to access Boot Order > change it to boot with DVD or USB, depending on which bootable media you will be using > insert the bootable media > restart computer.
    Installation will begin.
    You will be asked for a product key. Just click the SKIP option and continue.
    Activation should be automatic.
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  7. Posts : 5,442
    windows 10 Pro ver 21H2 build 19044.1348
       #7

    Ivan4you said:
    Thanks davishk.
    You are welcome.
      My Computer


  8. Posts : 13,684
    Windows10
       #8

    davidhk said:
    Then you are entitled to have free upgrade to Windows 10 Pro.
    You can wait for Windows Update to offer you the free upgrade, or use one of the 2 links below to download the iso file.

    Media Creation Tool (MCT)
    https://www.microsoft.com/en-us/soft...load/windows10

    Tech Bench
    http://www.microsoft.com/en-us/softw...load/techbench

    With the iso downloaded, you can do an in-place upgrade install, or if you insist, burn the iso file to a bootable media such as DVD or USB and do a clean install.

    Either case, you don NOT need that Win 8 upgrade software.
    Activation will be automatic after installation.
    I think you have missed the point here. You can certainly upgrade to windows 10 from a pc upgraded to 8 PRO eg originally 8 core.
    Of course once digital entitlement has been established OP could clean install Windows 10.

    However, it is not clear to me if you can clean install windows 10 but use an upgrade (not full) 8.1 pro key to activate it ie does an upgrade key count as a valid licence for a clean install with no prior digital entitlement?

    I have seen people say it can be done, but have not seen somebody say they have ACTUALLY done it.

    Of course, worst case scenario is a bit of wasted time, if it does not work.
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  9. Posts : 5,442
    windows 10 Pro ver 21H2 build 19044.1348
       #9
      My Computer


  10. Posts : 13,684
    Windows10
       #10

    This is all old news. I have obviously have not made my point clear.

    If I had aa FULL 8.1 PRO licence key, I know I can install 10 PRO 10586 and it can be activated using that 8.1 PRO key.

    I also know I can have a PC which has been UPGRADED to 8.1 PRO and further upgrade to 10 PRO (10240 or 10586) in the normal upgrade way. I also know you can clean install Windows 10 thereafter (this was the only way to do a clean install for 10240).

    I also know I cannot clean install 8.1 PRO and activate it using an 8.1 PRO UPGRADE key. You can only upgrade existing installations.

    So the question that OP was asking, and I am also unclear on is:

    Can you clean install windows 10 on a pc (where it has never been installed before) and use an 8.1 PRO UPGRADE key, as that key on its own does not count as a valid licence ie can only be used in conjunction with a previos licence ?
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