Firefox for Mac Download Firefox. You can get it for free at the Mozilla website. Open the DMG file. Once the download is complete, the DMG file should open automatically. Install the application. Drag the Firefox.app file into your Applications folder. Put Firefox on the dock.Is Mozilla Firefox a safe browser?
Compared to all other web browsers, Mozilla Firefox is rather safe and secure to use, in spite of it being a free and open source. If a flaw is detected the Mozilla Firefox web browser development team immediately detects and repairs the flaw.How do I find Mozilla Firefox?
Open the Mozilla Firefox Internet browser. Press the Alt key to open the menu bar at the top of the screen, and then select Help. From the drop-down menu that appears, select About Firefox. The window that appears shows you the version of Firefox you're using.How do I update Mozilla Firefox?
Configuring Automatic Updates Open the Firefox app. It's a round icon depicting a fox curled around a globe. Click on ☰ in the upper-left corner of the screen. Click on Options. Click on Advanced. It's at the bottom of the menu on the left side of the window. Click on Update. It's a tab at the top of the window. Select a "Firefox updates" setting.