Unlike some years back when websites were almost exclusively static, the standard these days is to have a feature-rich, dynamic Internet site. Not many people can build this type of website completely from scratch though, therefore the simplest solution to have a dynamic website is to use a script application. Many web hosting providers offer script installers which can be used to add this type of an application for each of your domain name or subdomains, so you'll not have to install anything manually. The benefit of using an installer tool is that the scripts are ready to use within a couple of minutes and the copy that'll be set up is already with the settings necessary for it to run properly on the specific hosting web server, so you'll not have to adjust any script or account settings. That way you can quickly create one with only a few clicks even if you have never had a site before.