Firefox comes with a complete Help system. To access Firefox Help, click on the "Help" menu and select "Firefox Help".
Tutorials and other support options are also available with numerous online guides and tutorials.
It's easier than ever to find information online. Enter a search term in the Search bar and receive immediate answers from the search engine you've chosen. You can select a new search engine from the Search bar menu at any time.
Once you're gotten comfortable with all the major features, you can then extend Firefox with add-ons that allow you to add new features and capabilities to Firefox -- for a more personalized online experience.