Here are two ways to enable the TPM chip on your PC

[WindowsCentral.com]

If you have a relatively new computer, it likely has a TPM chip. If so, you can enable it in at least two ways, and here's how.
Although your device may include a trusted platform module (TPM) chip, it doesn't necessarily mean that it's enabled by default. If it's not, you may need to enable it manually to use features like BitLocker on Windows 10 or perform an in-place upgrade or fresh install of Windows 11.

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