Go towards the big mirror, then turn right through the archway, turn left through another archway, turn left again through the brown double doors, go straight then up the stairs a few steps, then stop.
Walk out of the closet and turn right. Walk left into the hallway. Walk left through the double doors. Walk up the stairs and stop on the first landing.
Leave the room and turn right right at the mirror. Take a few steps and turn left so you are standing under a ceiling light. Turn left and walk towards the staircase ahead of you. Go up two stairs and then stop.