By installig joomla 1.5 you have only one admin user. In joomla 1.5 you can add user and give him admin prilvilege or you can just give admin privilege to registered user. To set up admin or other privilege for registered user follow this few steps:

Basic element of every joomla site is an article. Article is carrier of information, images and other elements. To add an article in joomla 1.5 follow this steps

Modules are basic element in joomla. You can add any kind of module depending of your needs. Installing modules in joomla 1.5 is quite simple. In a few steps we will show how to do this.

By installing Joomla 1.5 Front page title is set to “Welcome to the front page.” You could change this title following a few steps.