How to create a chart using auto branch

Start with a blank canvas
Right click (or control-click) anywhere on canvas and choose "Add Parent Node"
Select a parent node shape (you can change the color and shape radius at any time using Style Options)
Double click inside newly added shape to label node
Right click (or control-click) on shape and choose "Branch"
Review branch settings to generate new branches from parent node
Label newly generated nodes, drag on nodes to adjust location