How to install Node.js and npm?

To install Node.js and npm, you can follow these steps depending on your operating system:

For Ubuntu (Linux):

1. Update your package index:

   sudo apt update

2. Install Node.js and npm:

   sudo apt install nodejs npm

For macOS:

You can use Homebrew to install Node.js and npm:

1. Install Homebrew if you haven't already:

   /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

2. Install Node.js (npm is included):

   brew install node

For Windows:

1. Download the Node.js installer from the official Node.js website.
2. Run the installer and follow the prompts. npm will be installed automatically with Node.js.

Verify Installation:

After installation, you can verify that Node.js and npm are installed correctly by running:

node -v
npm -v

This will display the installed versions of Node.js and npm.