Right now you are facing a wall, turn left, where you can see an open entrance on your right, move towards it, now turn right, you can see an arch in front of you, enter into the arch, where you can see photo frames on your left, now turn around you will find a staircase on your right, move towards it and climb up the steps, stand on the fifth step and turn around, now climb down the steps and move towards the wall, which is in front of you, now turn left and enter into the room, which is in front of you, now move towards the window, this will be your end point.