Right now you are in the middle of the stair case. Now walk down through the stairs and go straight. On the right side you will find portrait. Now slightly turn left and go near the glass window. Now turn left and go straight. Now again turn left and keep moving forward. On the right side you will find two open doors. Now enter into the second open door. Now turn right. You will find another open door. Now go near the open door. Now again turn right and go near the cupboard. Now turn right. You will find an open door. Now go and stand near the open door. That will be your final destination.