You begin half looking at a door and half at a wall with a series of four light switches on it. Turn to your left and move up the stairs. Once you're up those stairs you're going to take a single step right, down two steps, but then turn back around where you were, move to the corner, and then move to the end of the rail. Like, the rail on top of the stairs, to its left. That hand railing, the iron one. The end of that where it connects to the hall. Once you're there between the railing on your left and the wall on your right, with the corner in front of you, you're done.