| 摘要 |
PROBLEM TO BE SOLVED: To provide a software installing system preventing the illegal use of a software stored in an installing medium. SOLUTION: The software installing medium 1 is provided with ID storing areas 12 to 14 storing ID showing the presence/absence of the execution of installing, ID showing the kind of the software, etc., and the nonvolatile memory and the secondary storage device 28 of a computer system 2 are provided with areas 23 to 25 and 281 to 283 for storing the same ID as these. At the time of installing the software, each ID stored in the medium 1 and IDs stored in the storage areas 23 to 25 of the nonvolatile memory are compared with each other to decide whether installing is to be executed corresponding to this comparing result or not. |
