Install Firefox: free browser for Windows and Mac

Firefox is the free browser of the Mozilla Foundation.

Requirements

• Windows 10 or later (32 or 64 bit), 2 GB of RAM recommended for the 64-bit version
• macOS 10.15 or later, Intel or Apple processor

On Windows 7 or 8.1 you no longer get a current Firefox version. For such devices, switching to Windows 10 or 11 is the safe solution.

Install

1. Open firefox.com and choose Download Firefox.
2. Run the file. Firefox installs and starts automatically.
3. On the first start, Firefox offers to import bookmarks and passwords from your previous browser.

Sources

Checked on 2026-11-09 against the publisher’s information:

• www.firefox.com/en-US/firefox/system-requirements/