How to Install Node.js: Step-by-Step Guide for Beginners

To install Node.js, visit the official website https://nodejs.org and download the latest stable version for your operating system. Run the installer and follow the prompts to complete the setup, then verify installation by running node -v in your terminal.

Syntax

Installing Node.js involves downloading the installer and running commands to verify the installation.

• node -v: Shows the installed Node.js version.
• npm -v: Shows the installed Node Package Manager version.

bash

node -v
npm -v

Output

v20.5.1
9.8.0

Example

This example shows how to check if Node.js is installed correctly by printing its version in the terminal.

bash

node -v

Output

v20.5.1

Common Pitfalls

Common mistakes when installing Node.js include:

• Downloading an outdated or unstable version instead of the latest LTS (Long Term Support) version.
• Not adding Node.js to your system PATH, causing node command to be unrecognized.
• Confusing node with nodejs command on some Linux systems.

Always use the official installer and verify installation with node -v.

bash

# Wrong: Node.js is installed via installer, not npm
npm install nodejs

# Correct: Download from https://nodejs.org and run installer

Quick Reference

Summary tips for installing Node.js:

• Download from https://nodejs.org for your OS.
• Choose the LTS version for stability.
• Run the installer and follow prompts.
• Verify with node -v and npm -v.
• Use a version manager like nvm for multiple Node.js versions.

Key Takeaways

Download Node.js from the official website https://nodejs.org for your operating system.

Run the installer and follow the setup prompts to install Node.js and npm.

Verify installation by running node -v and npm -v in your terminal.

Choose the LTS version for better stability and support.

Use a version manager like nvm if you need to manage multiple Node.js versions.