Unable to Upgrade to Windows 10 Pro from Windows 10 Home

When attempting to upgrade using the "VK7JG-NPHTM-C97JM-9MPGT-3V66T" key I see the "Upgrade your edition of Windows" screen, click start and then get one of 2 errors: 

* "Unable to upgrade your edition - We can't upgrade your edition of Windows. Try upgrading your edition of Windows again. (0xc03f6506)"

* "Unable to upgrade your edition - We can't activate Windows on this device because you don't have a valid digital licence or product key. If you think you do have a valid licence or key, select Troubleshoot below. (0x803fa067)"

I have had my account validated several times since (including validating over the phone so my Windows 10 Home is definitely valid. I have also run "sfc /scannow" and "dism /Online /CheckHealth" to check that the install is ok.

As it stands I have a Windows 10 Pro licence key but haven't been able to even try to use it. Is there anything I can do to fix this?

Well, the option I see right now is to perform a repair upgrade then try performing the Easy Upgrade again.

Another trick you could try:

55. Open Registry Editor (WIN + R, type regedit, hit Enter)
56. Browse to key HKEY_Local Machine > Software > Microsoft > Windows NT > CurrentVersion
57. Change EditionID to Professional (double click EditionID, change value, click OK). In your case it should at the moment show Home
58. Change ProductName to Windows 10 Professional. In your case it should at the moment show Windows 10 Home
59. Browse to key HKEY_Local Machine > Software > Wow6432Node > Microsoft > Windows NT > CurrentVersion, change the same two values as in steps 3 and 4 above
60. Close the Registry Editor
61. Insert the Windows 10 Pro installation media, do an in-place upgrade by launching the setup from desktop (not booting with Windows 10 Pro install media)
62. When asked, enter your valid Windows 10 Professional product key and select what to keep (settings, personal files and apps, only personal files or nothing)
63. Windows 10 Pro in-place upgrade will be done now.
Windows Insider MVP
MVP-Windows and Devices for IT

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Question Info

Last updated September 19, 2020 Views 15,852 Applies to: