Windows 10: Windows 11 home key lost

I have bought a Windows home key outside of the Microsoft website, but with a very trustful website, at the same price as listed in Microsoft and the original product, the reason I didn't buy with Microsoft was the method of payment. However, I was testing it using a third-party service called Parallels as I have a Macbook, so I entered my key on a virtual machine. However I deleted it and even reset the windows local account I had so I could use it on a new computer, but now it says I cannot do that as it is currently signed on a computer even though I had requested to log off. I have contact

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Lost xp key.

i lost my XP key. And i need it.
Is there a way to find the XP key i am using now in Windows?

Thanks.

 

Lost bitlocker recovery key

I have lost my bitlocker recovery key and tried following the recovery steps. I have also searched and tried following the command prompts suggested but none have worked.

 

windows 10 key

Thanks but I don't want to do any decrypting. I want to download a Win 10 ISO from Microsoft and install it using my Win 8 key. No other steps required. Is that possible?