Stop whatever you're doing and ask yourself this simple question: "Do I need a website?" If your response was anything other than "yes," you need to think again. It doesn't matter if you're the head of a multinational corporation who employs thousands of people or a local mom-and-pop shop from around the way, you need a website to help potential customers find you online. If you have a business, failure to establish an online home is a failure to grow.
Traditional setup tools used a programmatic, script-based approach to describe the various steps involved in the deployment of the application to be installed on the target machine: files to be copied, registry settings to be created, device drivers and services to be started. The technology behind Windows Installer, while it maintains a comparable look and feel for the end user, underwent important philosophical changes. The fundamental change was to move from the imperative description to a declarative one: rather than to describe the individual steps of installation, the declarative form specifies the state the target machine should be left in after various phases of installation and uninstallation. While the imperative description seems to be quite sufficient until some error occurs, the declarative one makes it possible to cope with unexpected conditions, differing target machine environments, aborted installations, shared resources. It is of paramount importance for setup developers to make sure that whatever happens during the process, the target machine should be left in a known, stable state, without introducing any detrimental side effects.
After you choose a website builder and a theme, take some time to learn how to use and customize these tools. Once you feel comfortable, start making changes. Some easy changes to start with are to add your name, logo, and contact details. Then, change the text font and color, add image galleries, background pictures, banners, and other site enhancements.