Unlike some years ago when web sites were almost exclusively static, the standard today is to have a feature-rich, dynamic Internet site. Few people can build this sort of website from scratch though, so the simplest solution to have a dynamic site is to use a script application. Lots of web hosting service providers offer script installers that can be used to add this kind of an app for any of your domain or subdomains, so you will not have to install anything manually. The benefit of using an installer tool is the fact that the scripts are available to use in just a couple of minutes and the copy which will be set up is already with the settings necessary for it to run efficiently on the particular hosting web server, so you'll not need to alter any script or account settings. This way you can quickly build one with only a couple of clicks even if you have never had a site before.