CLIENT-SERVER SYSTEM, CLIENT COMPUTER, SERVER COMPUTER AND METHOD FOR CONTROLLING THE SAME, AND STORAGE MEDIUM

摘要

PROBLEM TO BE SOLVED: To automatically charge a user at the time of adding any function to software without bothering the user, and to reduce any labor and cost at the time of adding any function to the software. SOLUTION: A client computer is preliminarily provided with a plurality of functions, accesses a server computer to inform of a function desired to be used. The server computer charges the user with the price of the informed function, and communicates the result to the client computer. The client computer releases the function limit of the charged function so that the function can be made available.