When installation has completed there are some items that you should configure. All items below takes place in the Administration Panel, which you can reach from "Administration" in the menu.
Make sure that you are logged in to your site as administrator and perform the following tasks:
Configuration -> Main Setup
Here you need to set 4 things:
Site title -> Main title for your website
Description -> Optional, will be displayed after the title of the site
Administrator's email -> The email...