Domain Registration & Hosting are needed for a completed website, however these registration and setup can help walked through with our help.
Domain Registration is done through such companies such as Godaddy or Network Solutions. Once your domain is registered you need to find hosting.
Hosting depends on what sort of website you are going have. If for example you use a WordPress site, you must find hosting that can accept such an application. If you need specific programming done we would need to location a hosting site that can handle those functions.