A URL, to launch a license contract registration process, in software which requires license registration is informed to a license contract information input server which executes a process of inputting information necessary for license registration. After input of the necessary information, the license contract information input server transfers a request for license registration to the informed URL. The information necessary for license registration is inputted in accordance with a format arbitrarily created by the license contract information input server. A Web browser used by a user to operate a license contract registration process and license management target software can run on different hosts. After distribution of the target software for a license contract, information to be input by the user at the time of license contract can be changed.