Windows 10: Where is my Windows 10 Product Key or License Number?

Discus and support Where is my Windows 10 Product Key or License Number? in Windows 10 Updates and Activation to solve the problem; I just installed Window 10 from a download from Microsoft's Web site, then purchased a product license online from Microsoft's store. The Web site... Discussion in 'Windows 10 Updates and Activation' started by ScorpioXThree, Feb 4, 2020.

  1. SCORPIOXTHREE
    ScorpioXThree Win User

    Where is my Windows 10 Product Key or License Number?


    I just installed Window 10 from a download from Microsoft's Web site, then purchased a product license online from Microsoft's store. The Web site successfully activated my software while I was online. I was sent an email receipt but it does not contain a license key, nor does the online receipt for my purchase and I can't find it anywhere on the Web site. Shouldn't I have received a license number or product key? If not, how do I activate Windows 10 again should I need to reinstall it on my computer at some point?

    :)
     
    ScorpioXThree, Feb 4, 2020
    #1
  2. KARTHICKA_R
    Karthicka_R Win User

    Convert a Windows 8pro product key to a Windows 10pro produkt key

    Hi Andre,

    Thank you for contacting Microsoft community.

    I suggest you to Uninstall the license using the following steps.

    • Press Windows key + X
    • Click Command Prompt (Admin)
    • At the command prompt, type: slmgr.vbs -upk
    • Press Enter, this will uninstall the product key from the computer.
    Further on, install Windows 8.1 activate the copy with the product key on the new machine. Then again upgrade the same to Windows 10 using Window Update or Media Creation Tool.

    Hope this information was helpful and do let us know if you need further assistance. We will be glad to assist.






     
    Karthicka_R, Feb 4, 2020
    #2
  3. BEN VOIGT
    Ben Voigt Win User
    Is it possible to use a Windows 10 product key to activate a Windows 7 installation?

    According to Microsoft, you can't use your Windows 10 keys. You will have to call Activation Support, provide proof that you have a license with downgrade rights, and they will provide a response to the activation challenge that will result in a one-time activation of an install.

    Source: Device Partner Center
     
    Ben Voigt, Feb 4, 2020
    #3
  4. YAO BINTHEN
    Yao BinThen Win User

    Where is my Windows 10 Product Key or License Number?

    Get Windows 10 app not responding after changing product key

    • Windows 8.1 was with KMS license
    • Reserved free upgrade to Windows 10
    • Bought Windows 8.1 product key and changed product key via PC info app
    • Get Windows 10 app not responding.
    Steps tried

    • Uninstall KB 3035583 using wusa /uninstall
    • Restart
    • Reinstall KB 3035583 using Windows Update
    • Restart
    • Click on Get Windows 10 icon, not responding.
     
    Yao BinThen, Feb 4, 2020
    #4
Thema:

Where is my Windows 10 Product Key or License Number?

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