A bios file is a special file that contains the basic input/output system of the PlayStation 3 console. ps3 emulator bios file download Files available for download: Link 1 Link 2 Link 3 However, in order to run PS3 games on your PC, you need more than just an emulator. A PS3 emulator is a program that mimics the hardware and software of the PlayStation 3 console, allowing you to run PS3 games on your PC. The answer is yes, thanks to a software called a PS3 emulator. 1 What is a PS3 emulator and why do you need a bios file? If you are a fan of PlayStation 3 games, you might have wondered if there is a way to play them on your PC.