Windows 10: Purchased a product key that doesnt work

Discus and support Purchased a product key that doesnt work in Windows 10 Updates and Activation to solve the problem; I need some help, I purchased a windows 10 Home product key from the microsoft website. Then i installed windows 10, and when i try to change the... Discussion in 'Windows 10 Updates and Activation' started by CaitIyn, Feb 23, 2021 at 12:02 PM.

  1. CaitIyn Win User

    Purchased a product key that doesnt work


    I need some help, I purchased a windows 10 Home product key from the microsoft website. Then i installed windows 10, and when i try to change the product key, it says "The product key you entered didn't work. Check the product key and try again, or enter a different one. 0xc004f050"


    The version I was using prior to installing was Windows 7 Enterprise. This might be a mistake on my end, can I even change the key to a Home one? I'm not sure. Help and other forums has gotten me nowhere. I spent $200 on this product key, for it not to work.

    I've tried reinstalling, clearing space, all to no avail.


    If there is no way to change the key, would I be able to get a refund?

    :)
     

  2. No product key after Windows 10 purchase

    Hi Chris,

    Welcome to Microsoft Community and thank you for your interest in Windows 10.

    • How did you upgrade to windows 10?
    • Have you done clean install?
    • Are you getting any error message?
    • From where have you purchased the Windows 10?
    If you have purchased from online Microsoft store or any store I suggest you to contact them for the product key.

    Please do let us know with more information, so that we can assist you better.
     
  3. Product Key doesnt work!

    I bought a PC and the guy told me i would have to buy a product key for windows. I used the microsoft website to buy a windows 10 key and the key doesnt work!! it keeps giving me this error message (0xc004f050). I didnt let anyone see it, i didnt let anyone
    else read the email i got with the Key. as soon as i got it i put it in the field on the settings in my computer and it immediately gave me that error. I dont know who to contact or what to do! its not a used key because it never gave me anything except for
    that error!
     
  4. CarolKopp Win User

    Purchased a product key that doesnt work

    My Product Key

    I have hit another roadblock in my marathon two-day attempt to restore the laptop that Windows 10 destroyed. I do not have the product key for the device, so cannot even revert to Windows 8.1. The product key is not shown in the Amazon purchase listing for the device, and I long ago lost the paperwork. Is there any way I can look it up (keeping in mind of course that the device itself is utterly unusable in its current state)?
     
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Purchased a product key that doesnt work

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