| 摘要 |
PURPOSE: A method for preventing an illegal copy of a software and a license is provided to prevent an illegal copy by storing a software product number, a CD-key and a user's E-mail ID in a program and transmitting the storing items to a database of a software selling company when the user connects to the Internet. CONSTITUTION: Software is installed(S1). A software product number, a CD-key and user's E-mail ID are sensed and stored(S2). The software product number, the CD-key and the user's E-mail ID are transmitted to a server automatically(S3). It is judged whether the software product number and the CD-key are identified with the sold database(S4). If the software product number and the CD-key are not identified with the sold database, the user is considered to be an illegal user, and the user's ID is stored in a database(S5). If the software product number and the CD-key are identified with the sold database, it is judged whether the received E-mail address is initially displayed(S6). If the received E-mail address is initially displayed, the user is registered as a normal user(S7). If the software product number and the CD-key are identified with the sold database, it is judged whether the received E-mail address is identified with an address stored in the database(S8). If the re-received E-mail address is identified with an E-mail address received initially, the user is registered as a normal user(S9). If the re-received E-mail address is not identified with an E-mail address received initially, the user is considered to be an illegal user, and the user's ID is stored in a database(S10).
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