Now you can see the Android Bootloader Interface option under the Android Device option. So, that was all about how you can install Fastboot drivers on your Windows 11 PC.

Select the "android_winusb.inf" file. If the device appears as FastBoot or Android Bootloader Interface, then select Android Bootloader Interface. Otherwise select Android Composite ADB Interface.

Do this if Fastboot not working or detecting your Android device on Windows 11/10. Fastboot binary is a protocol that is used for sending commands to your phone over USB.