You might need to install Xampp or Wamp on your computer first. Then setup a Virtual Host on your computer which will make sure your when you type your website address, it will point it to the local installation of your computer.
Download XAMPP: http://www.apachefriends.org/en/xampp-windows.html
Setting up Virtual Host: http://ddmboss.wordpress.com/2013/07/10/how-to-set-up-virtual-hosts-using-xampp/
Hope that helps