After the quick security check at the first set of gates, cross the cobblestone square until you reach the massive shiny Golden gate. Your guide will be waiting for you there, right between entrances A and B.
He will be holding a Kingtours sign and he will give you your tickets !
At the end of the tour, at 3:30, your guide will bring you back to the front gate of the Palace. He will share recommendations and tips before you begin your self guided visit of the inside of Palace.