TPM Chip
A TPM Chip
is Hardware that is common in most mobile Phones, Tablets, Laptops, and Desktops. It applies Cryptography to provide Secure authentication using other (and better) mechanisms than a username / password combination (which requires the credentials to be transported over a Hostile Network, which is inherently Insecure.
Windows 11 depends on a TPM Chip
(version 2); without it it will not install.