Before Microsoft released the new system, few people paid attention to TPM (Trusted Platform Module).
If youre also not clear about these questions, just read the following parts to find answers.
The term can also refer to a chip conforming to the standard.

according to Wikipedia
In short, TPM is used to protect data used to authenticate the PC youre using.
Dont know how to retrieve deleted files on a PC?
The following content will show you how to get them back from devices in different situations.
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Whats included in TPM 2.0 policy authorization?
They are 1.2 HMAC, locality, physical presence, and PCR.
Why Windows 11 needs TPM 2.0?
How Does TPM Work
The TPM chip will communicate with other security systems within your PC.
Get To Know About The Advanced Hardware Security Of Windows 11.
Why Windows 11 requires TPM?
said David Weston, Director of Enterprise and OS security
Why does Windows 11 need TPM?
Its all about the SECURITY, of course!!!
When anyone tries to pull up the computer, the encryption keys will be used to unlock the drive.
c’mon check whether your PC has TPM 2.0 before installing Windows 11 on it.
[SOLVED] How To Recover Files Deleted By Virus Attack | Guide.