How to Download and Install Firefox on a Mac

Introduction

In This Guide
You'll Learn:
  • How to install the Mozilla Firefox web browser onto your Mac computer.

1 Install Mozilla Firefox

We will use the built-in Safari browser on your Mac to download and install Mozilla Firefox.

  1. Open Safari from your Dock.
    Apple Safari.
  2. In the address bar at the top, type https://www.mozilla.org/en-US/firefox/, then press return.
    Safari address bar with URL entered.
  3. Select Download now.
    Firefox download page with Download now highlighted.
  4. Select Firefox.dmg from Downloads.
    The exact file name will change as Firefox is updated with higher versions, but it will be similar.
    Safari Downloads with Firefox installer highlighted.
  5. Drag the Firefox App into your Applications folder.
    Firefox Disk Image showing Firefox App with arrow pointing to Applications shortcut.
  6. Once it has finished copying, eject the disk image for Firefox from your desktop by dragging it to Trash.
    Eject Firefox installer disk image.
  7. Open Firefox.
    Mozilla Firefox.
  8. You'll be asked for permission to run Firefox, select Open.
    Security dialog with Open highlighted.
  9. Firefox will open.
    Firefox browser window.

We're here to help!

Connect to a Tech Pro

Call or chat with a Tech Pro 24/7.

In This Guide
You'll Learn:
  • How to install the Mozilla Firefox web browser onto your Mac computer.

We will use the built-in Safari browser on your Mac to download and install Mozilla Firefox.

  1. Open Safari from your Dock.
    Apple Safari.
  2. In the address bar at the top, type https://www.mozilla.org/en-US/firefox/, then press return.
    Safari address bar with URL entered.
  3. Select Download now.
    Firefox download page with Download now highlighted.
  4. Select Firefox.dmg from Downloads.
    The exact file name will change as Firefox is updated with higher versions, but it will be similar.
    Safari Downloads with Firefox installer highlighted.
  5. Drag the Firefox App into your Applications folder.
    Firefox Disk Image showing Firefox App with arrow pointing to Applications shortcut.
  6. Once it has finished copying, eject the disk image for Firefox from your desktop by dragging it to Trash.
    Eject Firefox installer disk image.
  7. Open Firefox.
    Mozilla Firefox.
  8. You'll be asked for permission to run Firefox, select Open.
    Security dialog with Open highlighted.
  9. Firefox will open.
    Firefox browser window.
We use cookies on our website to enhance your experience, analyze site usage and support our marketing efforts. To learn more, visit our Privacy Policy. By clicking “Accept”, you agree to our use of cookies and similar technologies.
Accept