First a disclaimer – don’t do this! (Something about MS withholding security/updates)
Quick regkey hack – Computer\HKEYLOCALMACHINE\SYSTEM\Setup\MoSetup
Create a new dword called AllowUpgradesWithUnsupportedTPMOrCPU with a value of 1
This also seems to imply it can be used to bypass the TPM check as well.
HT: https://apple.news/A1PnZHIa7RY2VNgf20tS7GA & https://www.theverge.com/22715331/how-to-install-windows-11-unsupported-cpu-intel-amd-registry-regedit