Connect your PS4 Pro to a PC capture card (Elgato, AVerMedia). You play on the console but route the video to your monitor. This is 100% reliable.
Even if PCSX4 were real, emulation lives in a legal gray zone. The PS4 is still supported by Sony (as of 2026, the PS5 is backward compatible, but Sony still sells PS4s in some markets). The DMCA’s anti-circumvention provisions make distributing decryption keys dangerous. pcsx4 github
The project requests a "PDIX" or "PXID" file from users' physical consoles, which experts suggest is a made-up term used to harvest PlayStation account credentials and unique console IDs. Connect your PS4 Pro to a PC capture