Once in the Portal go to the WebAdvisor portion found in the bottom right margin and click "Registration", then click "Register for Classes".
The broadest way to find a class is to use the drop down list and select a term. If you are unsure of the term name, use the "Starting On After Date" and "Ending By Date" fields. Whichever way you choose, use one or the other. Use the drop down list to choose a subject, then click "SUBMIT".
All classes available for your selection will be listed. Check the box in front of the class you would like to register for then click "SUBMIT"
All the class you choose will show up in the "Preferred Sections". If you would like to register for all classes that you choose at the same time, use the drop down list for "Action for ALL Pref. Sections for choose below". If you would like to register each class individually, use the drop down list in front of the class. Whichever way you choose, use one or the other, then click "SUBMIT". Everything that you are currently registered for is in the "Current Registration" section.
This next screen will show you all the changes and updates you made. If everything is okay click "OK".