YubiKey Manager is a versatile utility designed for Windows that allows users to configure various YubiKey devices via USB interfaces. This free application simplifies the process of managing YubiKey settings and provides users with essential features for enhancing their security. Among its key functionalities, it displays the serial number and firmware version of connected YubiKeys, enabling users to keep track of their devices effectively.

In addition to basic information display, YubiKey Manager supports advanced configuration options such as setting a FIDO2 PIN and resetting FIDO applications. Users can customize the OTP application by configuring both the Short Touch and Long Touch slots for various functionalities like Yubico OTP credentials or static passwords. The tool also facilitates certificate and PIN management for the PIV application and offers options to swap credentials and manage USB and NFC interfaces, making it a comprehensive solution for YubiKey users.