To install Apache Maven on your Mac, that is, on a Mac OS X operating system we can download and install the latest version of Apache Maven onto your Mac.

Here is a step by step guide:

Step 1 - Download Apache Maven

Step 2 - Extract the Apache Maven file

Step 3 - Check that Apache Maven is set up

This guide is to show you how to run similar commands using Microsoft's Visual Studio Code environment.

As Visual Studio Code is also free. Built on open source and runs everywhere. The biggest benefit I can see is the availability of extensions which can further enhance your programming and testing experiences. 

You may be using Postman, Terminal or another tool to run some of your API testing and various commands. This will be similar.