The Trusted Platform Module 2.0 (TPM 2.0) is a hardware-based security feature embedded in modern computers, used for secure key management, encryption, and hardware-based protection of sensitive data. It's a security standard that enhances the overall integrity of a computer system by providing a hardware foundation for cryptographic operations. TPM 2.0 is increasingly important in newer Windows versions, especially for security features like BitLocker encryption and Windows Hello (for biometric authentication).