Won't activate Windows 10, but will activate Windows 7, same key.


  1. fjk61011
    Posts : 1,174
    Windows 1.00 to Windows 11 Pro 64-bit Build 22000.194
       New #1

    Won't activate Windows 10, but will activate Windows 7, same key.


    I clean installed Windows 10 Pro x64 in VMware and used a Windows 7 Ultimate x64 key to try to active it. No go.

    However, Installing windows 7 Ultimate x64 in hyper-v, the same key activates win 7.


    Any ideas?
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  3. NavyLCDR
    Posts : 18,432
    Windows 11 Pro
       New #2

    Until the new build comes out (build 10586), you can't activate Windows 10 with a Windows 7 Product Key. You can try this method, but you would have to install Windows 7 on the same VM first:
    Clean Install Windows 10 Directly without having to Upgrade First - Windows 10 Forums
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  4. fjk61011
    Posts : 1,174
    Windows 1.00 to Windows 11 Pro 64-bit Build 22000.194
    Thread Starter
       New #3

    NavyLCDR said:
    Until the new build comes out (build 10586), you can't activate Windows 10 with a Windows 7 Product Key. You can try this method, but you would have to install Windows 7 on the same VM first:
    Clean Install Windows 10 Directly without having to Upgrade First - Windows 10 Forums
    I installed Win 7 in Hyper-V and Activated it with a Genuine Key.

    I then clean installed 10586, skipping the Key code screen. Windows 10 wasn't activated when I finished the install but when I entered the Win 7 Key it activated.
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  6. NavyLCDR
    Posts : 18,432
    Windows 11 Pro
       New #4

    fjk61011 said:
    I installed Win 7 in Hyper-V and Activated it with a Genuine Key.

    I then clean installed 10586, skipping the Key code screen. Windows 10 wasn't activated when I finished the install but when I entered the Win 7 Key it activated.
    Windows 10 build 10586 was supposed to include that capability. Glad to hear it works!
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