This is the most important file for controlling how Xenia behaves. It functions as your control panel. When you run Xenia for the first time, it automatically generates a configuration file in your user directory or the emulator's folder.

An emulator like Xenia recreates the hardware of the Xbox 360 in software. However, for legal reasons, most emulator developers cannot include the copyrighted BIOS code inside their download. They build a "shell" that needs the real BIOS file to function.

Are you using the or Canary version of Xenia? What specific game are you trying to play?

Games that require you to create or display an Xbox Avatar (like Kinect Sports or A Kingdom for Keflings ) will require official avatar asset packages dumped from a real console's hard drive to render correctly. How to Get Official Xbox 360 System Files Legally