Because v1.7.0 uses the "Qt" interface, the steps are streamlined: : Launch the pcsx2-qt.exe executable.

The BIOS (Basic Input/Output System) is a critical component of the PlayStation 2 console, responsible for initializing the hardware and providing a layer of abstraction for the operating system. In the context of PCSX2 1.7.0, the BIOS is a file that mimics the original PlayStation 2 BIOS, allowing the emulator to function correctly.

Select the BIOS file and click then OK . PCSX2 1.7.0 will now use this BIOS for all games unless you override it with per-game settings.