The AMD PSP 100 Device is a hardware component related to the Platform Security Processor (PSP), which is a dedicated security subsystem found in modern AMD processors. It provides a secure execution environment for tasks such as secure boot, encrypted storage, and protection against certain types of attacks. The PSP plays a critical role in improving system security by isolating sensitive operations from the rest of the system.

The AMD PSP 100 Device Windows driver allows the operating system to properly communicate with this security subsystem and manage the security features it provides. It is essential for enabling full functionality of security features like BitLocker encryption, Secure Boot, and Measured Boot.