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I’m trying to get full version of Windows 10 Pro but its no longer available on official Microsoft website, so im wadering if I can activate Win10 using Win11 key?
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No, it doesn't work.
You may use Windows 11 product key only to activate Windows 11 and it will not work in other version of Windows and it might not work when you installing Windows and even if it works you will receive activation error.
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You can download windows 10 here.
https://www.microsoft.com/en-us/software-download/windows10
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Just checking if there's any progress or updates?
--please don't forget to close up the thread here by marking answer if the reply is helpful--
AFAIK, Windows 11 key don't work for Windows 10.
You can download Windows 10 at official Microsoft site: https://www.microsoft.com/en-in/software-download/windows10