Right now you are beside the stair case. Take right from the place you are standing. Now, you are in front of the stairs, go upwards through the stair cases. Go upwards, once you reach upwards, take a left from there beside the wall and then you will reach into the room with the white door entrance. Enter into the room, go straight near the bed and there you will reach the destination point right beside the window and the bed and then stop.