| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique capable of smoothly shifting from a free trial to use for value even in environment in which application purchase procedures cannot be performed by procedures on an information processing device.SOLUTION: A second application for providing trail condition information in a free trial of a first application is installed, and a use state in the free trail of the first application is managed on the basis of the trail condition information held by the second application. In the case of receiving an instruction to use the first application for value, a third application for providing termination instruction information in the free trial of the first application is installed, the trail condition information is eliminated on the basis of the termination instruction information held by the third application, and when the trial condition information is eliminated, the use state of the first application is switched from the free trial to use for value to be managed.SELECTED DRAWING: Figure 2 |
