Node.js
A program that runs JavaScript code on your computer, not just in the browser. Many tools, npm included, need it.
How it appears in the course
The npm option — only if you already have Node.js installed, version 18 or newer. If you don’t know what that is, skip it.
Where you learn it
In module 00 · Installation and first steps, in the Claude Code for Beginners course.
Related terms
Learn Claude Code from zero, in plain English
12 modules with 1–2 minute lessons, which you can also do on your phone. The first two modules are free.