To open the Workflow Assistant, click the 
Workflow
Assistant button when no workflow is loaded, or select New
Workflow... in the Workflow drop-down list or from the Process
menu. The Workflow Assistant starts with a title Create
New Workflow.
The Workflow Assistant guides you in creating
or modifying workflows by offering
the appropriate steps with the available options.
You can see the workflow steps on the left side and the options
panel of for the currently selected step on the right side.
Click the strip at the bottom of a step to see a list of
possible steps that can be selected at this position in the workflow.
Use this list to choose the step you want.
Use the Close button in the upper-right corner of a step
to delete it. If you delete or change a step any subsequent dependent
steps will also be deleted.
Whenever you click the Next button, the program offers a
new step with default options. Either accept this step or choose a different
one from the list. Change options for the chosen step as desired.
The Finish button can be selected at any time.
