Windows 10: How to recover a changed product key?

Discus and support How to recover a changed product key? in Windows 10 Updates and Activation to solve the problem; We recently purchased a laptop (Acer Aspire 5) which came with Windows 10 in S Mode. We wanted full Windows 10 Home, and (erroneously) thought that... Discussion in 'Windows 10 Updates and Activation' started by AlisonFisher1, Aug 25, 2019.

  1. How to recover a changed product key?


    We recently purchased a laptop (Acer Aspire 5) which came with Windows 10 in S Mode. We wanted full Windows 10 Home, and (erroneously) thought that meant we had to enter a new product key for a copy of Windows 10 Home. After doing that, we are now receiving an error message under Settings->Update & Security -> Activation which reads "We can't activate windows on this device right now. You can try activating again later or go to the Store to buy genuine Windows. Error code: 0xC004F025." Above that is displays the Product Key as the one we erroneously entered (not the original, which we should have kept and used to activate Windows 10 Home). How do we revert to the original product key? My laptop is still in S Mode, making it impossible to do even basic things like use the command line.

    :)
     
    AlisonFisher1, Aug 25, 2019
    #1

  2. Recover product key

    How can I recover a lost product key for a windows server 2016 license? I have the proof of purchase that contains the COA (certificate of authenticity) bar code, I would imagine that based on this I would be able to either get the corresponding product
    key or a replacement one. The product key was not used on the server as it was never taken out of the envelope that contained it so I can't recover it from the actual server.
     
    timiotatos, Aug 25, 2019
    #2
  3. 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, Aug 25, 2019
    #3
  4. RaPiDo987 Win User

    How to recover a changed product key?

    Help recovering MS Office product key

    Hey Guys!

    I just built a new rig for my grandma but unable to install MS office because she lost the product key. The old HDD still has it install but I don't know how to recover it... *Confused How to recover a changed product key? :confused:

    Anything will be greatly appreciated *Toast :toast:
     
    RaPiDo987, Aug 25, 2019
    #4
Thema:

How to recover a changed product key?

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