Turn left, and go past the couch, when you get past the couch, go on to the right and go through the hallway. Continue through there to the stairs. You'll need to wait at the bottom of the stairs.
Walk along the backside of the couch in the living room. Walk into the arched entry way that leads to a white tiled hall. Walk down the hall to the first door. Walk through the door and towards the stairwell going down.
Walk to the end of the couch and when you reach the tree take a slight right. Walk down that hall to the door on your left and enter there.