Unlike some years ago when web sites were almost exclusively static, the standard currently is to have a feature-rich, dynamic Internet site. Not many people can build this type of website completely from scratch though, so the most convenient solution to have a dynamic site is to use a script application. Many web hosting service providers offer script installers you can use to add such an application for any of your domain or subdomains, so you'll not need to install anything manually. The best thing about using an installer tool would be that the scripts are available to use within a few minutes and the copy that will be set up is already with the settings needed for it to run properly on the specific hosting server, so you will not need to change any script or account settings. That way you can effortlessly create one with simply a couple of mouse clicks even though you may have never had a website before.