1. Computing

How to Make Firefox 3.5 the Default Browser in OS X

By

4 of 5

Check Now
How to Make Firefox 3.5 the Default Browser in OS X

(Photo © Scott Orgera)

The Advanced section of the Firefox Options dialog should now be visible. At the bottom of this dialog, in the System Defaults section, is a button labeled Check Now. Click on this button.

©2014 About.com. All rights reserved.