The Synaptics WBDI Fingerprint Reader - SGX SPI 088 driver is a software component that enables your computer to communicate with a Synaptics fingerprint scanner. Specifically, the WBDI (which stands for World's Best Digital Interface) is a type of biometric sensor technology used in fingerprint readers for authentication purposes, typically found on laptops, tablets, or other devices that support fingerprint login.
The SGX SPI 088 part of the name refers to the specific model of the fingerprint sensor and how it interfaces with the system (through SPI, which stands for Serial Peripheral Interface). The driver facilitates the operation of the hardware so that your system can recognize and interact with the fingerprint scanner, allowing you to use it for secure logins, identity verification, and other biometric features.