Win10 Pro key lost, want to upgrade Win 11 to Pro.

[Windows 11]

I had a Windows 10 Home laptop. I paid $100 to upgrade it to Windows 10 Pro. Then my computer completely died. When restoring the computer it came up with Windows 11 Home. I'd like to recover the Windows 10 Pro key and upgrade my Windows 11 install. How do I do that? Can Microsoft look up my purchase history and help me apply what I've already paid for?

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