Try one of these articles:
- Customize Firefox controls, buttons and toolbars Firefox is easy to customize. Put your favorite features right where you want them. We'll show you how.
- Make Firefox your default browser Make web links open in Firefox automatically by setting it as the default browser on your computer. This article explains how to do that.
- Add social features to the Firefox sidebar Firefox's social features make it easier to keep up with your favorite content by loading it right on the sidebar. Never miss another update!
- Learn more about the design of the new Firefox Firefox has a new streamlined interface as well as features to make it more efficient and easier to customize. We'll look at the thinking behind these changes.