The present invention provides a computer readable medium recording a program for providing information relating to an optional device installable on an apparatus such as a printer, the program being an information providing program for providing information, to a user in an easily understandable form, related to an installable optional device that is presently uninstalled. In the information providing program for causing an information providing device to execute a processing of providing information relating to an optional device installable on a target apparatus, the information providing device is caused to execute: acquiring information relating to the installation status of the optional device on the target apparatus and determining an uninstalled optional device, which is an installable optional device that has not been installed; and displaying an image representing the determined uninstalled optional device to a user.