Walk through the entryway and left up the stairs that curve left. Stop at the top of the stairs.
Stand with the door behind you and go up the staircase on your left. Stop where the other staircase meets up, just before the single staircase going up.
Walk forward towards the staircases and go up the staircase on the left. Once you have finished climbing up the first set of stairs there will be a short landing area. Wait there do not continue upstairs or go back downstairs on the set of stairs in front of you.