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I tried to Updgrade my windows 10 Home to Windows 10 Pro. I tried it with the default key that upgrades Windows 10 to pro without activating it(which is done in the second step).

The Universal-Key for Windows 10 Pro which is published by Microsoft is VK7JG-NPHTM-C97JM-9MPGT-3V66T. I tried that one but I get the error 0x803fa067.

I first tried it with the Windows 10 Settings using the Change Product Key Button in the Activation "Tab" And second with the command slmgr.vbs -ipk VK7JG-... Both methods werent succesfull.

What the error originally means is: you don't have a digital licence or a valid Product Key. I guess either the newly bought laptop was delivered with a fraudulent license( then microsoft is bluntly lying to me)

Microsoft is activated

or the error message isn't quite correct. In this case I would go with my second guess

I am not sure why this Problem occures, so my question is: why do I get the Error 0x803fa067? I am aware of the fact that I could reinstall Windows 10 Pro(which is the way I will probably do it) but I am intrigued to know how I could resolve the Problem without spending those extra 15 minutes.

  • The generic Windows 10 Professional license key cannot be used to activate Windows 10. In order to upgrade to Windows 10 Professional from Windows 10 Home you need to have an actual Windows 10 Professional license key, and use the upgrade mechanism, to upgrade to Windows 10 Professional. If your using sgr.vbs your doing it wrong. – Ramhound Jan 2 '18 at 13:12
  • Searching for “upgrade” should find the core mechanism – Ramhound Jan 2 '18 at 13:15
  • @Ramhound I am not trying to activate with the key, I am trying to upgrade with the key. I have a valid license key with which I tried to activate my windows 10 pro but I have to upgrade it first if I am not mistaken right? Either way it doesn't work with one or the other – Bongo Jan 2 '18 at 16:55
  • use your correct Win10 pro key to upgrade – magicandre1981 Jan 2 '18 at 16:56
  • @magicandre1981 As stated above, that doesn't work either – Bongo Jan 2 '18 at 21:06

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