Windows 11 not activating after Bios Update for New Pc

[DrewCh03]

I just purchase windows 11 pro online for my new pc this week. And when i update my bios it deactivate my windows 11 pro and can't activate it again and even i can't even troubleshoot it but when i troubleshoot it only found my Old pc shows up for activation not my New pc. I try to remove device for my new pc into the microsoft account and try to register device it doesn't let me. But in my new pc when i turn on it still says my new pc still register device on it but not in the microsoft account online. I can't even find my license key since it says only in retail because bought it through mic

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