Here you will find the PS2 Bios download file. You download and install it according to your PC. You download the file only after checking your PC system requirements so that you do not face any problems in installing. To know your system requirements go to Windows Start Button > Settings >System > About.
Note: Here we have given different files for 32-bit and 64-bit of Windows 10, 8, 7, you download according to your system.