Go to the official website (pcsx2.net) and install the latest stable version. Do not use old version 1.6.0; modern versions are much better.
Emulators like PCSX2 do not contain this code because it is copyrighted by Sony. The emulator is a "shell"—it creates the virtual hardware, but it needs the original operating system (the BIOS) to run. internet archive playstation 2 bios
The has become a central hub for digital preservation, hosting a massive collection of "PlayStation 2 BIOS" files essential for modern emulation . Because the PlayStation 2 (PS2) uses proprietary code to boot, users cannot run emulators like PCSX2 or AetherSX2 without these specific system files. Go to the official website (pcsx2