.PUP file), open RPCS3, go to File > Install Firmware, and select the .PUP file. RPCS3 will then automatically install the necessary system files. This step is required before you can run any PS3 games. how to put bios in pcsx3
To put the BIOS in PCSX3, it's important to clarify that PCSX3 does not exist—you might be referring to RPCS3, which is the PlayStation 3 emulator. Unlike PS2 emulators like PCSX2, RPCS3 does not use a traditional BIOS file. Instead, it requires the official PS3 system software (firmware), which you can legally download from Sony’s official PlayStation website. Once downloaded (usually as a