You can insert as many wizard templates as you want. In order to create a new Wizard template you have to click in 'Wizard templates' , and then click in the Add button -> 'Wizard template':
The following appear when you select Wizard template. You can add a template based in a existing Wizard or an empty Wizard.
Also you can add Step templates in each Wizard template that you have. To do this you need to go to the Wizard ->> Step templates , and then click in the Add button ->> 'Step template'.
You can add a step based in a existing step or an empty Wizard.