Best answer as chosen by user lesliebuc: With Firefox 17 you can

by wpgwpg - 1/11/13 2:52 PM

In Reply to: Leftover Question, from Resolved One by lesliebuc

You just press ALT-T and click Options. In the drop-down menu you'll see a large button that says "Make Firefox my default browser". It's that simple.

Good luck.