Navigation
Navigation between modules and steps
From the course page, which shows all the modules, you can navigate to a particualr module. From each module page, you can navigate to any of the steps in the module. For the best experience, consider completing the modules and steps in order.
In each step there is a button to take you to the next step in the same module.
Navigation within an exercise
Within the exercises, you can navigate using the arrow buttons or by clicking on the progress bar, which is color-coded to let you know which exercises have been completed and which exercises have been attempted but not yet completed.