From the main window, double click on a Shot (Here, we are double clicking on "Ripples" from the Tutorial document).
The following window will open:
Notice in the bottom left area of the window, you'll see "Title", "Foreground", etc. These are the various configurable elements in a shot. For more information on this, please see Shot Elements.
Currently, "Scene" is selected. If you click on the text "Title" it will become selected (and checked).
The checkbox tells you whether the element is visible, and Wirecast will make the shot element visible when you first click on it. So clicking on the "Title" will both make it visible and show you the title options:
Notice that Wirecast has selected a template by default for you.
You are now ready to modify the title. See these Modifying Titles for more details.