What is WAMP? A short answer, it is a free software that allows users to create a web server environment on windows computer.
WAMP is acronym for Windows, Apache, MySQL and PHP. Basically, it creates an environment for on your Windows computer to enable it host websites locally.
It provides the key elements of a webserver that are, in this case, Microsoft Windows as the operating system, web server is the Apache, for database you have MySQL and PHP is the web scripting software.