In a client apparatus, when a request to install a program stored in a server is received, a dependence display creating unit acquires server program information including information indicating the program stored in the server and information indicating the dependence between the program and other programs, and acquires apparatus program information including information indicating a program installed in the client apparatus. The dependence display creating unit creates a display screen on the basis of the information indicating the dependence in the server program information such that the dependence between a program which is designated to be installed and other programs is clear. In addition, the dependence display creating unit displays information indicating an installed program among the programs to be installed, on the basis of the apparatus program information.