A computer allowing a user to use, even when the printing device is changed, a new printing device in a state close to a familiar environment of use is provided. The computer includes a determining unit determining whether an existing environment for using another electronic device used for the same usage as the new electronic device has been set in the computer. The computer further includes a setting unit selectively executing a process for setting an environment for using the new electronic device in the computer using the existing environment as a reference, and a process for setting a default setting for using the new electronic device in the computer, depending on a result of determination.