An application program capable of operating on a prescribed operating system includes a plurality of functional processing units, a window processing unit allowing a window corresponding to any of the functional processing units operated in a case where any of the plural functional processing units is operated, a minimization unit minimizing the window, and a setting selection unit selecting setting information for the minimization. The minimization unit minimizes the window based on the setting information selected by the setting selection unit, and the setting selection unit is capable of selecting the setting information with respect to each of the plural functional processing units.