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.

Google USB Drivers are required to connect Google Pixel or Nexus devices to Windows PC using a USB cable. Google USB drivers act as Android ADB and Fastboot Drivers that allow your computer to ...

By default your computer already knows where to find a few really useful tools. Here, we’ll add ADB and fastboot to that list to make it much easier to use them in the future.