This page is about PlayStation 2 emulation for the PC. There are different emulation options available depending on the experience you are looking for.
PCSX2 is one of the most popular PS2 emulators. It remains in continual development, with the most recent stable release having come out August 1, 2012. It requires a separate rip of the PS2 BIOS. You can download PCSX2 here.
PCSX2 provides several plugins in the install which should work fine for most users.