Clicking ‘Preview’ makes your course display in the same way that your learners will view it.
This is helpful for testing questionnaires, drag and drops and branching.
You can preview your project at any time by pressing ‘Preview’:
If you want to preview your entire project, make sure you skip to the first page in your project before you press ‘Preview’.
It is a very good idea to check your responsive layouts in preview by using the ‘View mode slider’:
If you move the slider right to left you will see your course at all the different device widths.
This video will teach you more about using the View mode slider: