There are two large wooden doors that are operated by the Red/Green Switch infront of the doors. When the switch is activated; One door opens, The other one closes. This challenge will require you to jump from the window to the left and into the window further up so that you can get the orb. Once you have jumped from window to window, the orb will be past the second door lying on a platform.
This Challenge will require moderately fast reflexes and the knowledge of how to perform a hover as it can be extremely useful in this situation.