Node is easy to install on most operating systems. Node can either be installed using conventional application installers or by using the command line. Command-line installation is easy on OS X and Linux, but it’s not recommended for Windows.
To help you get started, the following sections detail the Node installation on OS X, Windows, and Linux operating systems. The last section in this appendix explains how you can use the Node Package Manager (npm) to find and install useful add-ons.