how to install node js in windows code example

Example 1: windows install node and npm

npm init to start a new project
nodejs.org/download to download node.js

Example 2: nodejs install

var http = require('http');

http.createServer(function (req, res) {
    res.writeHead(200, {'Content-Type': 'text/html'});
    res.end('Hello World!');
}).listen(8080);