node js

Node.js Overview

Node.js is a versatile, open-source JavaScript runtime environment that enables developers to execute JavaScript code outside web browsers. This article guides you through the process of checking if Node.js is installed on your Windows system and provides insights into its installation.

Checking Node.js Installation on Windows

Node.js is essential for a variety of development tasks, and it’s crucial to ensure it’s properly installed on your Windows machine. Here are several methods to verify its installation:

  1. Using Command Prompt
    • Open the Command Prompt.
    • Type node -v and press Enter.
    • If Node.js is installed, it will display the version number.
  2. Control Panel Check
    • Navigate to the Control Panel.
    • Search for “Node.js.”
    • If Node.js is installed, you should see an entry for it.
  3. Checking System PATH
    • Open the Command Prompt.
    • Type where node and press Enter.
    • It will print the location of the Node.js executable if it’s in your system PATH.

Locating Node.js Installation Directory

By default, Node.js is installed in the following directory on Windows:

C:\Program Files\nodejs\

This directory is crucial for running Node.js applications and accessing Node Package Manager (NPM).

Installing Node.js on Windows

If you find that Node.js is not installed, you can easily download and install it. Follow these steps:

  1. Download Node.js:
    • Visit the official Node.js website (
    • Download the Windows installer.
  2. Installation Process:
    • Double-click the installer you downloaded.
    • Follow the on-screen instructions.
    • Choose the installation location when prompted.
  3. Verification:
    • After installation, open Command Prompt.
    • Type node -v to confirm Node.js installation.

Node.js Powers the Internet

Node.js is a versatile runtime environment used for various tasks, including server-side scripting, web servers, and database connections. Companies like Groupon, Netflix, IBM, Voxer, and SAP rely on Node.js for their web applications.

Is Node.js Installed on Windows 10?

Yes, Node.js can be installed and is compatible with Windows 10. You can follow the same installation steps mentioned earlier to ensure its presence on your Windows 10 system.

Checking Node.js Version on Windows

To check the Node.js version installed on your Windows system, execute the following command in the Windows Command Prompt, PowerShell, or a similar command-line tool:

node -v

This will display the installed Node.js version, confirming its availability on your system.

Understanding Node.js Versioning

Node.js follows a versioning system. When choosing a version, it’s essential to consider your requirements:

  • LTS Versions: LTS versions receive long-term support (usually 30 months) and are suitable for production applications requiring stability and maintenance updates.
  • Current Versions: Current versions are released every six months and focus on speed, stability, features, and bug fixes. They are ideal for staying up-to-date with the latest JavaScript features.
How to Use npm (Node Package Manager)

npm is a crucial component of the Node.js ecosystem for managing JavaScript packages and their dependencies. To check if npm is installed, simply type the following command in your terminal:

npm -v

If it displays a version number (e.g., 3.10.10), then npm is installed and ready for use.

Choosing the Right npm Version

npm is essential for managing JavaScript packages efficiently. Whether you opt for npm@6 or npm@7, it largely depends on your needs and preferences. Both versions are suitable for various operating systems, so select the one that best suits your requirements.


Ensuring Node.js and npm are properly installed on your Windows system is essential for developing and running JavaScript applications. Follow the provided steps to confirm their presence, choose the appropriate version, and take advantage of the powerful Node.js ecosystem for your development needs.

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