To display help information in this window, click a topic in the
  Contents sidebar. Click the plus icon
  triangle next to a topic to see its subtopics.


To search for a help topic, type a word or phrase in the Search bar
  to see related topics. Click on a topic to read about it. If your search
  doesn't return any topics, try typing fewer words or a different combination
  of words. The results will be displayed in the Search sidebar as you
  type. To display the contents in the sidebar again, click the close button on
  the Search sidebar, clear the Search bar, or press
  Esc.


To see information related to the Help topic you are reading, click links in
  the Help window just as you would in a regular web page.  You can also move
  back and forth between pages you've already seen using the Back and Forward
  buttons.


Search Tips


If you don't find what you want, here are a few helpful tips:



    *   Be sure that you are searching for something that relates to
          Firefox; this is not a general Internet search.

    *   Try to broaden your search - don't be too specific; terms could be worded
          differently than your search.

    *   Avoid being too broad with your search.  For example, a common word like
          "page" will likely return more topics than you want.