METHOD FOR SELLING/MAINTAINING SOFTWARE, AND AUTOMATICALLY PERFORMING POST-SALE MANAGEMENT AND LICENSE MANAGEMENT THROUGH COMPUTER COMMUNICATION NETWORK

摘要

PURPOSE: A method for selling/installing software, and automatically performing post-sale management and license management through a computer communication network is provided to lower a sale cost by promptly offering contents of a present software product package through the network and enable a user to use a program instantly by automatically installing the program through the network. CONSTITUTION: The user selects a product and a license type by connected to a sale server through the network(S13). The user receives a license file including information according to product selection and the license type from the sale server(S14). The user receives a service according to the information of the license file from a program server by transmitting the information of the license file to the program server(S19).