Installing Node.js on Windows, macOS & Linux: The Ultimate Step-by-Step Guide

🔹 Introduction

If you're beginning your journey into JavaScript backend development or planning to build full-stack applications, Node.js is a must-have on your machine. In this detailed blog, we'll cover how to install Node.js on all major operating systems—Windows, macOS and Linux.

🔹 What is Node.js?

Think of Node.js as a powerful tool that lets you run JavaScript outside the browser, like on your computer or a server. It’s open-source, works on all major platforms and lets developers use JavaScript to build everything from APIs to full backend systems — not just front-end websites.

In simple words:

Node.js = JavaScript + Server Power. 💻⚡

Whether you're building a small app or a massive system, Node.js gives you the flexibility to use one language (JavaScript) for both frontend and backend.

🔹 Install Node.js on Windows

a. Download Node.js

Visit the official Node.js website: https://nodejs.org. You'll find two versions:

• LTS (Long Term Support)

• Current – Includes the latest features

Tip: Choose LTS if you're just getting started or working on production projects.

b. Install the Installer

• Download the .msi file.

• Run the installer with default options.

c. Verify Installation

Open Command Prompt and run:

d. Optional – Use Node Version Manager (nvm-windows)

If you need multiple versions:

• Download nvm-setup.zip from nvm-windows.

• Follow the setup guide and install the desired Node versions via:

🔹 Install Node.js on macOS

Option 1: Install using Homebrew

a. Open Terminal and run:

b. Verify installation:

Option 2: Using Node Version Manager (nvm)

Install nvm:

Then:

NVM lets you switch Node.js versions easily—ideal for developers managing multiple projects.

🔹 Install Node.js on Linux (Ubuntu/Debian-based)

Option 1: Using Package Manager

Check installation:

Option 2: Using NodeSource

Option 3: Using NVM (Recommended)

Then:

🔹 How to Uninstall Node.js

Windows: Use "Add or Remove Programs".

macOS:

Or remove manually from /usr/local/bin/

Linux:

🔹 Why Use NVM?

• Easily switch between Node versions

• Keep separate environments per project

• Avoid global dependency conflicts

🔹 Also Read:

• What is Node.js? A Beginner's Complete Guide (2025 Update)

Installing Node.js correctly is the first step toward becoming a successful JavaScript developer. Whether you're coding on Windows, macOS or Linux, the steps are now straightforward. Use the LTS version for stable development and consider using NVM to manage versions efficiently.

With this setup, you're ready to explore the world of backend JavaScript. Build your first CLI tool, REST API or even deploy a serverless function.

👉 Start building with Node.js now! If this guide helped, share it with your peers and explore our other Node.js tutorials.

💬 Comment below: Which OS are you using and what project are you planning to build?