A domain name can be purchased through a registrar. A registrar is an online service which will reserve the domain on your behalf and then allow you to do what you'd like with it. If you don't know what a domain name is, read this article.
Feel free to use your registrar of choice when purchasing your domain name. Just make sure your registrar provides DNS services, which are necessary for configuring your domain to your website. Below is our list of recommended domain providers:
Recommended domain providers
If you have already purchased a domain name, please read our article on how to configure it.