Download, install and migration
Learn how to download Firefox on your desktop devices or move information to and from other browsers.
- Firefox versions and languages
- Copy your personal information from one browser to another
- Cài đặt Firefox trên Windows
- Cài đặt Firefox trên Linux
- Cài đặt Firefox trên Mac
- Quản lí hồ sơ
- Sao lưu thông tin của bạn
- Update Firefox to the latest version
- Find what version of Firefox you are using
- How can I get the latest version of Firefox on Windows XP or Vista?
- Install an older version of Firefox
- Uninstall Firefox from your computer
- What is the Mozilla Maintenance Service?
- Recovering important data from an old profile
- Firefox can't be opened after you install it on a Mac - How to fix