MacOS - Installation and Configuration of Firefox v54.0

Installation

1. Head to the downloads folder in your Finder and click on the .dmg file that was downloaded
   1. It is recommended to disconnect from the internet to ensure Firefox doesn't update automatically after installation.
2. Drag the Firefox application to the Applications folder and allow it to copy to your machine. (overwrite current Firefox if installed)
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3. Locate and open the Firefox app in the Applications folder. At this stage one of two things will occur:
   1. In one case your computer should reflect the following screen, if so simply click "Open" to proceed
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   2. In the other case the following screen will appear, if so follow the instructions below to proceed
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      2. Open System Preferences and click "Security and Privacy"
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      3. Head to the "General" tab
      4. Under "Allow apps downloaded from:" there should be the option to "Open Anyway" for the blocked Firefox app
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      6. Type in the password for your computer account to proceed
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      7. If a pop-up appears simply press the "Open" button

Initial Configuration

(Ensure your machine is not connected to the open Internet)

1. Open the Mozilla Firefox app onto the main page answering all the pop-ups as they appear
2. Click on the button in the top right with three parallel horizontal lines and click on the option labeled "Preferences"
   
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3. Click on "Advanced" on the left panel and navigate to the "Update" tab
   
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4. Choose the option to "Never check for updates" 
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