Since you've already completed Tiki for Dummies Smarties I'll assume that your Tiki has already been installed and configured properly. As with any software project, Tiki undergoes continuous development.
Community members continually add new features (and improve ones), fix bugs, and patch security holes. It is important that you keep your Tiki up-to-date, especially for security purposes.
This section explains different strategies to upgrade and maintain your Tiki installation.