Let's start with the modules. As much of the default ones are redundant for our goal, we'll switch them off. In Joomla! lingo, switching things off is called disabling. Disabling doesn't erase these modules; you can always enable them again.
1. In the Extensions drop-down menu, click on Module Manager. The Module Manager displays a big list of modules that are installed: Breadcrumbs, Banners, Footer, and so on. In the Enabled column, you see whether or not the module is in use (and therefore visible in the frontend):
2. Click on the green check mark to the right-hand side of the Banners module name. The check mark changes to a cross indicating that the module is now disabled.
3. Now disable all of the following modules by clicking on the Enabled check mark next to the module name: Banners, Footer, Example Pages, Advertisement, Polls, Resources, Key Concepts, Login Form, Who's Online, Newsflash, Latest News, Popular, Top Menu, and Syndication. If you've followed...