If the wrong edition is installed, you will have to perform a clean install of Windows 10 Home. If the edition of Windows 10 installed does not correspond with the edition of Windows 7 or Windows 8 you were previously running, then you need to reinstall the right edition. To find out if you have the right edition installed:Ĭlick Start > Settings > Update & security > Activation > Edition.

Windows 7 Professional, Windows 7 Ultimate, Windows 8.0 Pro, Windows 8.1 Pro will installWindows 10 Pro.

Windows 7 Starter, Home Basic, Home Premium, Windows 8.0 Core, Windows 8.1 Core will install Windows 10 Home.

The copy of Windows 10 you download and upgrade from will correspond with the edition of Windows you have installed, if it does not, this is why you might be experiencing problems activating: Its seems your computer might have been inadvertently been upgraded to Windows 10 Pro. Dell Windows 8 Professional 64-bit OEM (Not Windows 8.1)From the disc label:DELLOperating SystemAlready installed on your computerWindows 8 Recovery Media for.

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