Go straight down the stairs and take the first right doorway. Continue down the stairs and stop once you reach the bottom.
Walk to the stairs. Walk down the stairs and make a sharp turn right. Walk down the stairs and stop at the bottom of the stairs.
Keeping the closed door to your rear, traverse the long carpet until you walk passed the stairway leading up. You will then catch a glimpse of some stairs leading down and towards the outside. Go on and head down all of these stairs. Once at the bottom of the stairs, hang a right. Twist to the right and traverse the next set of stairs.Traveling quickly forward until your reach your destination of the display case. Stop moving until you are told next where to go.