You use a joystick. Its becoming quite the trend actually, to not have a walk button for keyboard users on console games put on PC. Quite sad, to be honest.
You ever play Limbo for PC? I swear there's an entire extra path in the game just for PC's since they implemented no way to do a slow walk. Normally I would laud exclusive content like that but it really wasn't all that enjoyable. --- "Woman Hitler" is an anagram for Mother-In-Law. Currently Playing: Nothing