It appears that Microsoft doesn't want you to use the bypass any longer. Neowin spotted an update to a Microsoft support page with wording about the bypass removed. You can even check the page on The Wayback Machine to see what it looked like until a few days ago. The previous version mentioned that you could add a new registry key called AllowUpgradesWithUnsupportedTPMOrCPU to bypass the TPM check and install Windows 11 on 'unsupported' PCs. In the updated version of the support article, that section is no longer there.
Several methods to bypass the Windows 11 TPM check still exist, but it remains to be seen if they'll continue to work in the future. Microsoft has advised against upgrading 'unsupported' PCs, going so far as to say that doing so will void your warranty and that your PC may no longer be entitled to receive updates. But if you're like my editor and can't yet upgrade, at least you can make your Windows 10 PC look and feel like Windows 11.
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