Windows 10: Windows 10 says invalid product key after upgrading to Windows 10 Pro

Discus and support Windows 10 says invalid product key after upgrading to Windows 10 Pro in Windows 10 Updates and Activation to solve the problem; I'll start by saying that last year I decided to factory reset my laptop without saving a complete backup. I just put the files I wanted on a USB drive... Discussion in 'Windows 10 Updates and Activation' started by bunkerbros, Jun 20, 2019.

  1. Windows 10 says invalid product key after upgrading to Windows 10 Pro


    I'll start by saying that last year I decided to factory reset my laptop without saving a complete backup. I just put the files I wanted on a USB drive and then wiped the computer. I then had to borrow a friends recovery USB stick to get Windows to install properly.


    I recently decided to upgrade to Win10 Pro and after installing I got an activation error. 0x803F7001. I had a genuine copy of Windows that came installed on my laptop when I bought it from Dell.


    How do I go about getting my Win10 authenticated?


    Thank You

    :)
     
    bunkerbros, Jun 20, 2019
    #1

  2. windows 10 key

    Now that I have finally upgraded from Windows 8 to Windows 10 will my Windows 8 key work with a fresh install of Windows 10?
     
    Easy Rhino, Jun 20, 2019
    #2
  3. windows 10 key

    Thanks but I don't want to do any decrypting. I want to download a Win 10 ISO from Microsoft and install it using my Win 8 key. No other steps required. Is that possible?
     
    Easy Rhino, Jun 20, 2019
    #3
  4. Windows 10 says invalid product key after upgrading to Windows 10 Pro

    Installing Windows 10 using Windows 7 key

    Nope, you need to install Windows 10 first and make sure the Windows 7 key is transferred to your Windows account after you've installed Windows 10 (not quite sure how that works). I missed the last step and I could not activate Windows 10 after a re-install... Microsoft seem to have done everything they can to make it a PITA. Also, it's technically too late to do this now anyhow, as the upgrade offer has expired. But KMSPico works quite well...

    As for getting rid of Windows, delete the Windows folder.
     
    TheLostSwede, Jun 20, 2019
    #4
Thema:

Windows 10 says invalid product key after upgrading to Windows 10 Pro

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