Since it is safe to assume that you have access to a browser, a computer, an electrical socket to plug in your computer, and a power plant to generate the power available to your electrical socket, then the only remaining requirement to run PHP are either one of the following two options.

A web host (server) that supports PHP.
A web server and PHP installed on your own computer.
      (PHP can be downloaded here and installation help can be found here.)

Later on we will discuss using PHP as a tool to interact with a MYSQL database, so it would be best if your host came with MYSQL already available.

This tutorial assumes that you have no previous experience with programming, however some familiarity with both HTML and uploading files to a web server will be necessary. Please read our HTML tutorial if you need to learn or review this subject.