The On Window help topic (Using the Main Window, Using the Optional
  View Window, Using the Editor Window, Using the Instruction Window) and
  their subtopics provide task-oriented information about the debugger
  and debugging.

  To display the On Window topics, use either of these techniques:

   -  Choose On Window from the Help menu in a debugger window.

   -  Choose Go To Overview from the View menu of a debugger help window.

  Then, to display information about a particular subject, choose a topic
  from the list of Additional Topics.