Opt-in prompt

If you have previously chosen Firefox as your default browser, an opt-in message will appear. Simply click to enable it.

Manual configuration

Didn’t receive the prompt? Follow these steps to manually set up auto-launch:

1. In the Menu bar at the top of the screen, click Firefox and then select Preferences or Settings, depending on your macOS version.Click the menu button and select Settings.
2. In the General panel, locate and select the Open Firefox automatically when your computer starts up option.

   

   Note: This option may not be available if you opted out of Studies in Firefox Settings.

3. If prompted with This preference has been disabled in Windows, click the Startup Apps link. This will guide you to the appropriate section in Windows' system settings.

   

4. Once done, exit the Settings page. Your adjustments are saved automatically.