To launch, tap the Whole-class Whiteboard icon on the home screen  

By default, the workspace is set so that everyone can edit it. Tap  in the top right corner to turn Everyone Can Edit on and off.

Tap  to connect students. 

The class code will display so students can connect their devices to the lesson without a subscription or student login.

Here you can also choose between Teacher or Student lesson pacing. With Teacher pacing, the viewers can only view the current page on display. With Student pacing, the viewer can view any page.