Unfortunately, this week, there was a bit of confusion as one Microsoft support document stated TPM 1.2 was the minimum requirement for Windows 11. In contrast, another
hardware requirements page said it was TPM 2.0.
Microsoft support doc that stated TPM 1.2 was compatible
This conflicting information has since been fixed by Microsoft, who clarified to BleepingComputer that Windows 11 requires TPM 2.0.