The course material is delivered in Modules and Lessons.  On the top of every page, you will find a menu which will help you navigate through the content. You may also use the Next/Previous links at the bottom of the page to navigate through Modules and Lessons. In order for your certificate to be issued, you must complete each lesson.  To do this, simply click on the “Mark as Complete” button at the bottom of each lesson page as you progress through the course. You can download and print the accompanying workbook materials.  You will need the (free) Adobe Acrobat Reader to open the documents.