1 – Installing Node

WordPressify requires Node v7.5+. This is the only global dependency. You can download Node here.

Node.js is a JavaScript runtime built on Chrome’s V8 JavaScript engine. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient. Node.js’ package ecosystem, npm, is the largest ecosystem of open source libraries in the world.
Download Node.js

Install Node with Homebrew ?

If you don’t have Homebrew installed, paste the command below at a Terminal prompt.

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

Then install Node by runnign the command:

brew install node

Continue to:
2. Setup Project