Right now you are in front of the cupboard, now turn back you will find table with chairs, and a window back to the table, now go near the window, and turn left, you will find open door, now step out of the room, now you are at the living area, there you will find sofas, and a table in between the sofas, now go near the table, there you will find narrow opening, now enter into the narrow opening, there you will find portrait on the wall,  now slightly turn left, and keep moving forward, and again turn left and go straight, on the left side, you will find stair case, now go near the sofa, and slightly turn left, there you will find desktop on the cupboard, and closed door,  now go and stand in front of the closed door, that will be your final destination.