Finding Product Key on a Preinstalled Win 8.1 Laptop

By Muhathan ยท 6 replies
Jun 7, 2015
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  1. So I have this Lenovo laptop with a preinstalled Windows 8.1 Pro 64 bit, and somehow I managed to mess with it to the point that I can't boot to normal or safe mode, and refresh or reset the system. I have tried different methods to fix this (renaming software to software.001, trying to boot to safe mode, etc) yet no success. One of my friends told me that the OS is corrupted, so I want to do a clean reinstallation of Windows 8.1 but given a preinstalled machine, I don't have the CD with me. I haven't downloaded an installation media from microsoft website yet because I realized I don't know the product key. I have searched through my laptop's box and case with no result. With that done said, can I know my windows product key while I cannot even boot? (I'm stuck in windows recovery environment)

    P.S. I dont really know much about computer so please forgive me if I sometimes sound dumb
  2. Muhathan

    Muhathan TS Rookie Topic Starter

    I have backed up all the important documents so I don't mind losing all my files.

    Also, do I really need a product key if I want to reinstall by using an USB installation media?
  3. Muhathan

    Muhathan TS Rookie Topic Starter

    Update: I have made an installation media, and have tried to reinstall windows. Problem is, the windows won't detect the product key asociated with the UEFI and it asks me to input the key again
  4. Muhathan

    Muhathan TS Rookie Topic Starter

    Did I download a wrong version of windows? I'm pretty sure it is build 6.3.9600 (written on the command prompt). Is it windows 8.1 Pro?
  5. Muhathan

    Muhathan TS Rookie Topic Starter

  6. louisbob

    louisbob TS Rookie

    Use the KeyFinder Plus and it can help you find the product key embedded in the UEFI firmware.
  7. jobeard

    jobeard TS Ambassador Posts: 11,123   +982

    Using KeyFinder is likely to be too late now that the OS has be reinstalled - - you needed it BEFORE you lost the existing system.

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