Navigate to your dashboard and click to create a new event.
Navigate to your dashboard, click "Options" next to the event you would like to modify, and click "Change Event".
Navigate to your dashboard, click "Options" next to the event you would like to modify, and click "Copy Event". Copying events is a great way to retain settings (e.g. specific information you're asking for or a specific email confirmation) from previous events without needing to retype them in.