Try one of these articles:
- 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.
- 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.
- 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!
- Block and unblock websites with parental controls on Firefox This article lists resources for blocking children from using Firefox, certain websites or certain content that may be offensive or inappropriate.