Windows 10: Lost product key

Discus and support Lost product key in Windows 10 Ask Insider to solve the problem; I am looking to sell my laptop so I used the factory reset feature of Windows. Sadly, the process did not work and it got stuck in a reboot cycle. So I... Discussion in 'Windows 10 Ask Insider' started by /u/venture68, Dec 12, 2019.

  1. Lost product key


    I am looking to sell my laptop so I used the factory reset feature of Windows. Sadly, the process did not work and it got stuck in a reboot cycle. So I created media on a USB stick from my other machine and installed Windows on the laptop. Unfortunately, I lost the product key because I didn't take a screenshot of it before the reset.

    I logged into Windows using my Microsoft account so is there a way to contact Microsoft to ask which keys I currently own? Or do I need to buy another copy of Windows so I can sell this laptop?

    Any help would be greatly appreciated.

    submitted by /u/venture68
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    :)
     
    /u/venture68, Dec 12, 2019
    #1
  2. NDIBEMADU Win User

    Lost of Product Key

    I bought my Laptop in July 2015 with the Home and Student Microsoft Word. When I refreshed my computer I lost the Product key and I could not find the CD that contain the product key. What shall I do please suggest and help.
     
    NDIBEMADU, Dec 12, 2019
    #2
  3. I lost my product key

    We know nothing about your computer, or how you lost your product key.

    More information is required to assist you correctly.

    I suggest that you read this for suggestions on how to ask a question in help forums:

    "Suggestions for asking a question on help forums"

    http://support.microsoft.com/kb/555375/en-us
     
    Bill Smithers, Dec 12, 2019
    #3
  4. Lost product key

    Activate windows 10 after re-installing (I have lost my product key)

    I own a Lenovo T430 laptop. In 2017, I installed Windows 10 using my original Windows 7 product key. Unfortunately, I cannot find that product key anymore. I need to re-install windows 10. Will it be automatically activated after the installation, if I skip the step of asking the product key during the installation?

    In my opinion, I believe that my laptop will have a digital entitlement stored on the Microsoft Activation Servers and this will not be a problem. Is that true?

    If not, please suggest me a solution or a workaround.
     
    Kushan Randima, Dec 12, 2019
    #4
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Lost product key

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