The SmartKey USB is typically a USB device used for security, authentication, encryption, or software licensing purposes. It often serves as a hardware token, providing an additional layer of security through two-factor authentication (2FA) or acting as a license key for certain software. Some examples of SmartKey USB devices include dongles for licensed software, secure authentication keys for access to encrypted systems, or tools for managing digital signatures.

The SmartKey USB Windows driver allows the operating system to interact with the SmartKey USB device and enable its functionality. Without the proper driver, Windows won't recognize the device, and any associated software relying on it may not function correctly.