A driver software installing system is provided with a computer connected to an electronic device. The system includes an installation system that performs installation of driver software in the computer in accordance with a procedure of an operating system of the computer, and a setup system that performs setup of the driver software that is installed in the computer by the driver software installation system. Further, the setup system includes an instructing module that instructs the installation system to generate identification information for identifying the driver software when the installation of the driving software is performed, an identifying module that identifies the driver software to be set up based on the identification information generated by the installation system in response to the instruction of the instructing module, and a setup module that performs setup operation for the driver software that is identified by the identifying module.