Verfahren zur Software-Verwaltung durch auf ein Netzwerk übertragene Daten

摘要

An user buys a software having a product code stored in a CD-ROM. An use-charge of the software is paid. The use-charge is determined by the user in correspondence with an use frequency of the software before the software is used. When the use-charge of the software is paid, the key code management table in a host computer are updated. The user's computer is connected with the host computer on a network, then the user gets an usable time and a key code of the software. Thus, the user can use the software within the usable time corresponding with the use-charge. Therefore, the use-charge and a public network fee can be collected reliably.