This article explains how to download and install Firefox on macOS. Before you download Firefox, you can review the system requirements.

Download and install Firefox on Mac

To download and install Firefox on Mac:

1. Visit the Firefox download page in any browser (for example, Safari). It will automatically detect the platform and language on your device and recommend the best version of Firefox for you.
2. Click Download Firefox.

   Note: If you want to select a different language for your Firefox installation, click the Download options and other languages link instead.

3. After completing the download, the file (Firefox.dmg) may open a Finder window containing the Firefox application. Drag the Firefox icon to the Applications folder.

   Note: If you don't see this window, open the Firefox.dmg file you downloaded.

   

4. Hold down the control key while clicking in the window and select Eject "Firefox" from the menu.

   

5. To add Firefox to your dock, open your Applications folder and drag Firefox to the dock.

   

Firefox is now ready for use. Click the Firefox icon in the dock or Applications folder to open the browser.

Open Firefox for the first time

When you open Firefox for the first time:

1. Click Open in the prompt "You downloaded Firefox from the internet. Are you sure you want to open it?".

   

2. If you want to set Firefox as your default browser, click Use Firefox as my default browser. If you don't want to set Firefox as your default browser, click Not now. Your selected default browser is automatically used when opening a web page or link from a different application.

   

Related links

• Make Firefox your default browser
• Update Firefox to the latest release
• Firefox Mac OS X 10.9, 10.10 and 10.11 users move to Extended Support Release
• Firefox users on macOS 10.12, 10.13 and 10.14 moving to Extended Support Release