By default, Macs have safari installed as their Web browser. You may want to change this to use something else.
In this tutorial, I will show you how to download and install Firefox on Mac.
First, open safari and navigate to:
Then click Download now.
Once the download is complete click the downloads symbol in the upper right and then double click Firefox.dmg file.
You will then see the dmg file opening.
Click and drag the Firefox icon to the apps folder.
You will then see firefox installing.
Once this had completed you will then see firefox available in your launcher.
A full video tutorial can be found here: