An electronic apparatus comprising a control portion and a storage portion, wherein the storage portion stores an installed program that is an installed application program, and stores log data representing a use status of the installed program, the control portion includes: an installation portion that installs the application program based on an instruction from a user; a program use control portion that controls a usable installed program for each user; a use monitoring portion configured to update the log data on the basis of use of the installed program; and a storage program determination portion, the installation portion associates the user who performs installation with the installed program, the program use control portion permits all users to use a first installed program associated with a first user, and permits a second user and a third user who attempt to install a second installed program associated with the second user, to use the second installed program, the first user is a user who is an administrator and the second user and the third user are users other than the administrator, and when the third user attempts to install an application program that the third user is not permitted to use, if the application program is the second installed program, the installation portion does not perform installation and causes the use control portion to permit the third user to use the second installed program, wherein the control portion includes an uninstallation portion that deletes the installed program based on an instruction from the user, and when the second user attempts to uninstall the second installed program, if the use control portion permits another user to use the second installed program, the uninstallation portion does not delete the second installed program and causes the use control portion not to permit the second user to use the second installed program, and wherein the storage portion includes an administrator folder and a user folder as folders for installing the application program, and an individual user folder (24a, 24b) for each user other than the administrator, each user other than the administrator having a right of access to the administrator folder, the program use control portion limits a right of access to the individual user folder (24a, 24b), to a user corresponding to the individual user folder (24a, 24b), in a case with an instruction from the first user, the installation portion installs the application program into the administrator folder, in a case with an instruction from the user other than the administrator, if the application program has not been installed in the user folder, the installation portion installs the application program into the user folder and creates a shortcut to the installed program, in the individual user folder (24a, 24b) for the user who gives the instruction, and wherein in a case with an instruction from the first user, the uninstallation portion deletes the installed program, in a case with an instruction from the user other than the administrator, the uninstallation portion deletes a shortcut, to the installed program, in the individual user folder (24a, 24b) for the user who gives the instruction, and deletes the installed program if the shortcut to the installed program is not present in the individual user folder for another user, and characterized in that when a second use rate of the second installed program obtained from the log data is equal to or greater than a second value, the storage program determination portion changes the second installed program into the first installed program by moving the second installed program to the administrator folder, and deleting a shortcut, to the second installed program, in the individual user folder (24a, 24b). an installation portion that installs the application program based on an instruction from a user; a program use control portion that controls a usable installed program for each user; a use monitoring portion configured to update the log data on the basis of use of the installed program; and a storage program determination portion,