Join the Army of Awesome
1:01
Find out how you can enlist to help out our Twitter community.
Firefox Desktop
Firefox Features
Learn about our new look, super speed and even more awesomeness. (Video by JESS3)
What’s New in Firefox 4
Get an overview of what makes our latest version our best yet.
User Interface Overview
Take a tour of the new user interface in Firefox.
Browse the Future
See how the latest technologies give you the greatest online experience.
Your Firefox, Your Style
Make your Firefox your own with Personas.
Installing Firefox on Windows
Learn how to install Firefox on your PC.
Installing Firefox on Mac
Learn how to install Firefox on your Mac.
Introducing Add-on Builder & Add-on SDK
An overview of developing add-ons using the Add-on Builder & Add-on SDK.
Add-on Builder Tutorial
An in-depth tutorial showing how to create an add-on; from start to finish.
Customize, Personalize, Enhance
Find out how Firefox Add-ons put you in control of your Web.
Firefox for Mobile
Firefox for Mobile is Here!
In fact, it’s anywhere you are. That’s what makes it so awesome.
Firefox for Android on tablets
The name is the same, but how you use it has changed. Firefox is now optimized for tablets.
What’s New in Firefox for Mobile
Take Firefox anywhere with our latest mobile release.
All About Sync
Now you can stay on the same page (or pages), even on the go.
Sync Setup Tutorial
Learn the simple steps to connect all of your computers and mobile devices.
Add-ons for Mobile
Add-ons add a whole other dimension to the mobile experience.
Firefox Home in Action
Now your browser is always with you, whether at work or on the go.
Firefox Home Demo
Exactly what you need on the Web, ready and waiting for you.
Meet Your Firefox for Mobile Phone
Learn how Firefox brings the Web to your phone.
Meet Firefox Beta for Mobile
Hear from the team and check out the new features of Firefox beta for mobile.
You’re Invited!
Take Firefox for mobile for a test drive with our beta.
Mozilla and Community
A Different Kind of Browser
What’s Mozilla all about? Why are we doing this? We’re glad you asked.
Join the Army of Awesome
Find out how you can enlist to help out our Twitter community.
Warning: Contains Cuteness
Watch the adorable firefox cubs in action at the Knoxville Zoo.
What Is Mozilla?
Find out what community members think and how you can get involved.