There is provided a computer readable medium having computer readable instructions stored thereon, which, when executed by a computer, are configured to extract driver configuration files forming a device driver from the computer in which the device driver for controlling a device has been installed, to acquire an initial setting file describing control parameters that have incorporated inputs made in regard to the control parameters to be used by the device driver for controlling the device, and to create an installer which installs a device driver, including the driver configuration files and the initial setting file and controlling the device according to the control parameters described in the initial setting file, in a computer.