Basic controls and options
-  How to set the home page
-  How to change and manage search engines
-  Bookmarks Toolbar - Display your favorite websites at the top of the Firefox window
-  Customize Firefox controls, buttons and toolbars
-  Font size and zoom – increase the size of web pages
-  Customize Firefox controls, buttons and toolbars
-  Where to find and manage downloaded files in Firefox
-  Use Firefox in Full Screen mode
-  Location bar search
-  Display the Firefox button menu instead of the menu toolbar
-  The Add-on Bar gives you quick access to add-on features
-  Pop-up blocker settings, exceptions and troubleshooting
Solve problems
-  Fix problems with your home page or search
-  Navigation buttons like back, home, bookmarks and reload are missing
-  How to fix preferences that won't save
-  What happened to the Status Bar?
-  What happened to the File, Edit, and View menus?
Advanced settings
-  Address bar autocomplete suggestions in Firefox
-  Changing fonts and colors
-  Managing file types and download actions
-  Javascript settings
Set default programs
-  Make Firefox your default browser
-  Setting Firefox as the default browser does not work - What to do
-  Change the program used to open email links
-  View PDF files using Firefox’s built-in viewer
-  Applications panel - Set how Firefox handles different types of files
Your profile – stores settings, bookmarks, passwords and other information
-  Where your profile is and what's stored in it
-  Create and delete profiles
-  Back up and restore profiles
-  Recover important data from an old profile
Options window
Preferences window
-  General panel
-  Tabs panel
-  Content panel
-  Applications panel
-  Security panel
-  Privacy panel
-  Sync panel
-  Advanced panel