A program introduction supporting server connected, via a network, to a license managing server configured to store, by correlating a license identifier of a program license for a program for an electronic apparatus, a program product identifier of the program and a license status indicative of a state of using the program license corresponding to the license identifier, and a program managing server configured to store the program product identifier of the program and the program by correlating the program product identifier of the program and the program, the program introduction supporting server comprising: a product information acquiring unit configured to acquire the program product identifier associated with the license identifier in response to an input of the license identifier; a program acquiring unit configured to acquire the program corresponding to the program product identifier acquired by the product information acquiring unit from the program managing server; a license acquiring unit configured to acquire a license file corresponding to the license identifier by designating the license identifier from the license managing server and updating the license state of the license identifier to a value indicating that the license is used; and an installation controlling unit configured to send the acquired program and the acquired license file to the electronic apparatus connected to the program introduction supporting server via the network, characterized by the program introduction supporting server further comprising: an apparatus information acquiring unit configured to acquire from the electronic apparatus apparatus information including an apparatus number uniquely identifying the image forming apparatus 20; and the license acquiring unit being further configured to register in the license file the apparatus number of the image forming apparatus acquired by the apparatus information acquiring unit, wherein the electronic apparatus comprises a license checking unit configured to activate the acquired program when the apparatus number of the acquired license file and the electronic apparatus in which the program is to be activated are the same. a product information acquiring unit configured to acquire the program product identifier associated with the license identifier in response to an input of the license identifier; a program acquiring unit configured to acquire the program corresponding to the program product identifier acquired by the product information acquiring unit from the program managing server; a license acquiring unit configured to acquire a license file corresponding to the license identifier by designating the license identifier from the license managing server and updating the license state of the license identifier to a value indicating that the license is used; and an installation controlling unit configured to send the acquired program and the acquired license file to the electronic apparatus connected to the program introduction supporting server via the network, characterized by the program introduction supporting server further comprising: an apparatus information acquiring unit configured to acquire from the electronic apparatus apparatus information including an apparatus number uniquely identifying the image forming apparatus 20; and the license acquiring unit being further configured to register in the license file the apparatus number of the image forming apparatus acquired by the apparatus information acquiring unit, an apparatus information acquiring unit configured to acquire from the electronic apparatus apparatus information including an apparatus number uniquely identifying the image forming apparatus 20; and the license acquiring unit being further configured to register in the license file the apparatus number of the image forming apparatus acquired by the apparatus information acquiring unit, wherein the electronic apparatus comprises a license checking unit configured to activate the acquired program when the apparatus number of the acquired license file and the electronic apparatus in which the program is to be activated are the same.