Now, you are facing towards the fireplace. Turn around and move forward towards the bookshelves. Now, turn right and move towards the open door. Pass through that door and turn slight left where you can find a staircase. Take the stairs and again turn back and come up and walk straight towards the open entrance. Move forward towards the table on your left side and turn right from the table and move towards the open door entrance. Enter through that door and walk straight towards the window and that will be your end point where you are in front of the window.