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Jeremiahhom's avatar
Jeremiahhom
Iron Contributor
Mar 10, 2025
Solved

How to check my windows 11 license key original or duplicate?

I bought a brand new laptop and this message appeared when I was digging to know if the windows was activated. It is activated but I think it is a duplicate.

 

  • Perform three-step verification:

    1️⃣ Open CMD and enter: slmgr /dli Check "Description" and if it shows OEM, it is a genuine pre-installed version

    2️⃣ Check whether the serial number of the machine matches the device ID bound to the Microsoft account (Settings>System>Activation)

    3️⃣ If it shows a retail version key, immediately find a merchant to replace it with a new machine - your motherboard may have been applied with a second-hand key

    (Appendix: Genuine laptop activation should show "Windows has been activated with a digital license" with an OEM channel logo)

  • AlexBlythe's avatar
    AlexBlythe
    Iron Contributor

    To check if your Windows 11 license key is original or duplicate, you can run the following command in Command Prompt (Admin):


    slmgr /dli


    This will show the license status. If it says "Retail" or "OEM", it’s likely valid. If it shows "Volume" or has issues, it could be a duplicate. If in doubt, contact the seller or Microsoft support for verification.

  • Everlynokc's avatar
    Everlynokc
    Iron Contributor

    This message states that you typed in an invalid command. The /eli switch is not valid. Do /dlv instead

  • MarylandCrab's avatar
    MarylandCrab
    Iron Contributor

    Perform three-step verification:

    1️⃣ Open CMD and enter: slmgr /dli Check "Description" and if it shows OEM, it is a genuine pre-installed version

    2️⃣ Check whether the serial number of the machine matches the device ID bound to the Microsoft account (Settings>System>Activation)

    3️⃣ If it shows a retail version key, immediately find a merchant to replace it with a new machine - your motherboard may have been applied with a second-hand key

    (Appendix: Genuine laptop activation should show "Windows has been activated with a digital license" with an OEM channel logo)

  • BaylorKnox's avatar
    BaylorKnox
    Copper Contributor

    If you're unsure about the authenticity of your key, you can contact Microsoft Support. They can assist you in verifying whether the key was issued legitimately.

  • EamonSullivan's avatar
    EamonSullivan
    Brass Contributor

    To check the actual product key, you could also use a third-party tool like Belarc Advisor or ProduKey, as the product key might not be openly accessible due to security.

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