A control device includes: a storage unit storing a work program of a robot; a display control unit displaying a virtual robot formed by virtualizing the robot and a teaching point in a simulator screen at a display unit, based on the work program stored in the storage unit; and an accepting unit accepting a selection of the teaching point displayed in the simulator screen. The display control unit displays, in the simulator screen, a first window including a first command corresponding to the selected teaching point, when the accepting unit accepts the selection of the teaching point.