How do i Set Firefox as my defult browser?

Answer 1

When you start Firefox up, click tolls/options. In the Options screen, select Main. There is a box near the bottom you can click which say, "Always check to see if Firefox is the default browser on starting." Check the box and click on the "check now" button after it.

Answer 2

In Firefox, open Tools> Options. Click General tab. At Default Browser click on Check Now.