Revert to Windows 10 to Windows 8.1 on a computer with Windows 10 preinstalled?

I baught a gaming laptop and it had Windows 10 I want Windows 8.1 so I don't have to use Minecraft Windows 10 edition which might as well be MCPE. Is there a way to do that? I have never liked Windows 10 and want Windows 8.1 what can I do?

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