| 摘要 |
PROBLEM TO BE SOLVED: To circulate plural software products without increasing the price of software in a system for distributing software products through communication. SOLUTION: A key for starting a software product to be used by a software user is obtained through communication with a software provider each time the software product is used, and this key is inputted to the preliminarily or simultaneously down-loaded software product so that the software product can be turned into a startable state. At that time, the start key enables the start of the software product only once. |
