To run a PHP file on your computer, you need the following things. br br 1 ) Installation of a Web Server br 2 ) Installation of PHP br 3 ) Installation of a Database br 4 ) Editor ( to writeedit code ) br 5 ) Browser (to view the output) br br Installation and configuration of all these things very easy and simple. WAMP is a solution to all these, a window based envirnment to create PHP applications with appache server, PHP and MySQL database. WAMP stand for Window, Apache, MySQL and PHP. WAMP will install all the things you need to run PHP files and PHP applications.