Avoid sites claiming to offer a "Native PC Port" or "Resident Evil Outbreak.exe."

This is a dedicated fan server that allows players to play online using the Japanese or US versions of the game.

Use PCSX2 . It is the gold standard for PS2 emulation.

These are often or repackaged emulators bundled with viruses.

While Capcom shut down the official servers years ago, the fan community has revived the game:

Resident Evil: Outbreak (2003) was never officially released for PC. It was a PlayStation 2 exclusive designed to showcase the console's early online capabilities.