Do you want to Play WWE SmackDown Pain on your PC?
If you don't have PlayStation console and want to play SmackDown Pain on your PC then, likely you can download the game installer file and play as Playstation on your computer or laptop. There are no specific requirements for the game.
But you have to download some software to run the game check out below.
You can play any PlayStation games with PS3 Emulator that lets you run PS games on your computer.