Appium is built on Node.js. Install the latest LTS version using the command brew install node .

The standard package manager for macOS. Install it via the official Homebrew site.

Since Appium 2.0, the server is modular. You install the base server first and then add specific "drivers" for iOS or Android. Install Appium - Appium Documentation

Required for Android testing. Download the latest JDK from Oracle and set your JAVA_HOME environment variable.