After you have downloaded and installed the Shark Water World 3D Screensaver it operates in the trial mode. You will see two reminders to purchase and register the full version. The first appears each time when the screensaver finishes its operation and the second appears after one minute of screensaver operation.
To obtain a full, unlimited version of the Shark Water World 3D Screensaver, you must purchase it. By purchasing this software you become a registered user. As a registered user you will have all trial limitations removed and all program updates provided for free, without any charge.