You're now facing the glass window. Turn right and walk straight, then take slightly right. Now walk towards the door by taking slightly left and exit the door. From here, turn right and go near the corner of the stairs and turn left. You will see a sofa set. Walk towards the sofa set and take left. Here you will find stairs on the left side. Get on the stairs and  walk towards the glass window which is in front of you, and you will reach your destination.