There are many ways to install the Amazon Web Service Command Line Client (aka AWS CLI), including using pip package manager, homebrew package manager, or just downloading the raw executables. As a Mac user, I prefer to use Homebrew. Here's how:
Step 1 - Check your version of Python
You will need Python to do your work, but thankfully Mac comes with a version pre-installed. Let's double-check that you have version 2.7 or better.
Within Terminal type:
You should get a response like this:
Step 2 - Check your version of Homebrew
Before using Homebrew, I try to update it and make sure things are working correctly.