That counts out a lot of older hardware, as TPM 2.0 was released in October 2014.

When did TPM 2.0 come out?

TPM 2.0 was released in 2014, suggesting that PCs made prior to that year may be incompatible with Windows 11.

Do I have TPM 2.0 on my computer?

Press [Windows Key] + R or select Start > Run. Type “tpm.msc” (do not use quotation marks) and choose OK. If you see a message saying a “Compatible TPM cannot be found,” your PC may have a TPM that is disabled. ... If you are able to enable the TPM, complete the next step to verify that it is a TPM 2.0.