Registration is a simple process you only need to complete once. If you wish to register later, simply select later when you are asked to Register. If registration is complete, the program will thank you for registering and advise that registration is complete. That's all there is to it. As far as Prowler is concerned there is no difference other than version 5 is a more advanced version.
Prowler works with either version.
However, Prowler does not work with Version 3 or earlier. Then the wizard will complete the uninstall procedure and remove all the Prowler files from your computer. You will need your Advisor password. After you add a controlled word or area, remember to refresh the screen. Use the Refresh button on the browser.