You are at the top of the staircase, it was a curved staircase, go down the stairs, and go down the stairs completely, in front of you there is a wall with a photo frames. To the right side of the wall there is a way into the living room, enter the living room and turn back there is a closed door visible to you and the door consists of glasses, go straight until you reach the door, stop there once you reach the door, this is your final destination.