Terminal
The first thing you need to do is open the Terminal application on your Mac.
You’ll use the terminal application to install, start and stop the kit.
It’s located in the Utilities folder in the Applications folder.
When you open the application, it will show a window containing text similar to this:
Last login: Mon Sep 15 10:30:15 on ttys000
MacBook-Pro:~ florence$ █
Once you have it open, keep it open and go to step 2.