How To Switch Between Node Versions On Windows

Introduction

Node.js is an open-source, cross-platform JavaScript runtime environment and library for running web applications outside the client's browser. As the Node.js ecosystem evolves, developers often encounter projects that require different versions of Node.js. Managing multiple Node.js versions on Windows can be challenging, but fortunately, there are tools and techniques available to simplify the process.

This article will explore various methods to switch between Node.js versions in a Windows environment.

Why Switch Between Node Versions?

Before delving into the how, let's briefly discuss the why. There are several reasons developers may need to switch between Node.js versions:

1. Project Requirements: Different projects may have specific Node.js version dependencies.
2. Compatibility: Ensuring compatibility with third-party packages or libraries that are version-specific.
3. Testing: Verifying that code works across different Node.js versions for broader compatibility.

Methods for Switching Node Versions on Windows

1. Node Version Manager (NVM) for Windows

NVM for Windows is a popular tool that simplifies the management of Node.js versions on Windows. Here's a step-by-step guide to using NVM:

Installation:

1. Download the latest installer from the NVM for Windows GitHub releases page.
2. Run the installer and follow the on-screen instructions.

Usage:

• Open a new command prompt or PowerShell window.
• Use the following commands to install and use a specific Node.js version:

  # Install a specific Node.js version
  nvm install <version>

  # Use a specific Node.js version
  nvm use <version>

2. Node.js LTS Installer with Node ChakraCore

Starting from Node.js version 6.0.0, the LTS installer includes a utility called nvs (Node Version Switcher) that can be used to manage multiple Node.js installations.

Installation:

1. Download the Node.js LTS installer for Windows.
2. During installation, make sure to check the box that says "Automatically install the necessary tools."

Usage:

• Open a new command prompt or PowerShell window.
• Use the following commands to install and use a specific Node.js version:

  # Install a specific Node.js version
  nvs add <version>

  # Use a specific Node.js version
  nvs use <version>

3. Manual Installation and Environment Variables

For developers who prefer a manual approach, it's possible to download and install Node.js versions directly from the official Node.js website. After installation, you can manage Node versions using environment variables.

Installation:

1. Download the desired Node.js version from the Node.js website.
2. Run the installer and follow the on-screen instructions.

Usage:

• After installation, use the following commands in the command prompt or PowerShell to switch between Node.js versions:

  # Set the path to the desired Node.js version
  set PATH=C:\Program Files\nodejs<version>\;%PATH%

Conclusion

Switching between Node.js versions on Windows is a crucial skill for developers working on diverse projects with varied Node.js requirements. In this guide, we've covered the importance of switching Node.js versions, explored popular tools like NVM for Windows and nvs, and provided a manual approach for those who prefer more control over the installation process. By mastering these techniques, you'll be well-equipped to navigate the dynamic landscape of Node.js development on Windows.

Thanks for reading