Oct 12, 2016
It doesn't need one. All platforms since about 5-6 years ago have an integrated firmware TPM 2.0 that you just have to enable in the BIOS.
Actually, if you update to the newest BIOS version for your board, it will be enabled automatically for you, and Windows 11 will see a fully functional TPM 2.0.
Download the latest BIOS here, extract to a USB stick, and update via M-Flash in the BIOS:

If someone tells you that you need a discrete (seperate) TPM 2.0 module, they just want to make money.
If the board is not older than 5-6 years (for example on Intel, 100-series boards or newer), then it already has a firmware TPM 2.0 in the BIOS (on Intel it's called PTT, on AMD it's called fTPM).
If the board is older than 5-6 years, it isn't TPM-2.0-compatible anyway. It will only know TPM 1.2 which isn't enough for Win11, so a TPM module won't help you either.

So for recent enough boards, it just needs a BIOS update, or manually enabling it like here,

In summary: The cases where you would need to buy a TPM module should be extremely rare. The vast majority of people won't need to buy one. And you definitely don't.
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