You are facing towards the window, turn around and move forward, you are facing towards the brown table which is having a photo frame on it, now turn to your right and move forward, now turn to your left move towards the open arch and move forward, now turn to your right and walk through the passage till you find some stairs on your right, go all the way down through the stairs, now slightly take right there is an open door, enter into the room through the open door, the entrance of the room is your end point.