Right now you are in front of the window, now turn back, you will find table with white chairs, now go straight, on the right side, you will find doors, now go straight, you will find round white table, now turn left, you will find white chair with round table in front of it, go near the table, and turn left, you will find stairs, now walk down to the stairs, and again come back, on the left side, you will find open door, now enter into the open door, and take left, on the right side you will find stairs, go and stand in front of the stairs, that will be your final destination.