Win7 & node.js : Hello World app

Trabla:  node.js "Hello World" app on Win 7

Solving:
1. Goto http://nodejs.org/download/
2. Download and install Windows version
3. Create folder structure on disk C
C:\nodejs_projects\helloworld
4. Create file helloworld.js in folder C:\nodejs_projects\helloworld
5. Put code into helloworld.js file and save

var http = require('http');

http.createServer(function(req, res){
res.writeHead(200, {'content-type':'text/plain'});
res.end('Hello World');
}).listen(9003);

console.log('Nodejs Server is running on port 9003!');

6. Run windows command line
7. Execute following commands in command line
cd  C:\nodejs_projects\helloworld
node helloworld.js

8. Open browser and goto url
http://localhost:9003/