The “System Preferences” window will appear.
RELATED: How to Make Chrome Your Default BrowserĪlternatively, click on the Apple logo in the top-left corner of your Mac’s display and select the “System Preferences” option. You can open System Preferences by selecting the “Gear” icon in the Mac toolbar. To set Firefox as the default browser from your Mac, head over to the System Preferences menu. Set Firefox as the Default Browser from Your Mac If the browser isn’t installed on your device, you will not be able to set it as the default browser. Here’s how to set Mozilla Firefox as the default browser on Mac.īefore you get started, make sure you’ve downloaded and installed Firefox for Mac. If you bought a new Mac, or if you’re wanting to switch to Firefox from a different browser like Safari or Chrome, you can easily set it as the default.