The first video in this series, WordPress Tutorial, is literally step one in the process of building a site and that is entering your hosting control panel and learning how to add domain or a Sub Domain. This video gives you the exact steps to take to begin setting up your WordPress site. If you follow along you will find this to be the easiest thing in the world to do. Once you have you domain set up with your hosting you can begin to load WordPress.
How To Add a Domain or Sub Domain – WordPress Tutorial