- Firefox versions and languages
- Copy your personal information from one browser to another
- Update Firefox to the latest version
- Find what version of Firefox you are using
- Install Firefox on Linux
- How to download and install Firefox on Windows
- How to switch from 32-bit to 64-bit Firefox
- How to download and install Firefox on Mac
- Install an older version of Firefox
- Uninstall Firefox from your computer
- What is the Mozilla Maintenance Service?
- Recovering important data from an old profile
- Back up and restore information in Firefox profiles
- Use the Profile Manager to create and remove Firefox profiles
- Get community support