The answer is incredibly simple (and if you’re reading this, you probably know what it is already but please forgive us).Ī PS2, PS3 or PS4 emulator is a software program that allows the host computer system (in this case, a Windows PC) to behave like another one (in this case, a PS2, PS3 or PS4 game console respectively). The Best Legit PlayStation Emulators for PC.