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Agreed. Also, make sure you're saving the BIOS changes before exiting, as that's an easy step to miss.

This. Yeah, that's the exact issue—Windows 11 requires TPM 2.0, so you might need to check if your motherboard has a firmware update that enables it.

This. Right, TPM 2.0 is the hard requirement—did you check if there's a separate firmware update for your TPM module from your motherboard manufacturer? Good luck!

Yeah, and if you do go the workaround route, just be sure to keep regular backups since it's unsupported.

+1 I had the same problem. Even with TPM enabled, I had to find and turn on the separate "Secure Boot" setting in the BIOS before it would finally work. Good luck!

I had the same problem on an old laptop. Using Rufus to remove the TPM check worked for me, but I also had to enable Secure Boot in the BIOS first. Let me know if that works.

This. You could also try using the official Media Creation Tool to do a clean install, which sometimes bypasses the upgrade block.