Diagram: A Confluence installation
Quick tip for getting to administration screens: Start typing what you want to do into the Confluence search box at top right of the screen. The matching administrative functions will appear with a cog icon at the top of the dropdown search results.
Even faster via 'GG': Press 'G' twice on your keyboard then continue typing the action you want.

After installing Confluence, you will perform the initial configuration via a web interface called the Confluence Setup Wizard.Introducing the Confluence Administration Console: From this point onwards, many of the administrative functions are available from the Confluence Administration Console, which is part of the Confluence web interface. If you have administrative permissions, you will have access to the Confluence Administration Console via your web browser, using the standard Confluence URL for your site.
To access the Confluence Administration Console:
For further configuration options, you can edit the XML and properties files that are part of your Confluence installation directory. To get started, take a look at the Confluence Home and other important directories. The Confluence administration guide will lead you through tasks such as configuring the log files and configuring system properties.
Is this a new Confluence site? Here are some things to get started with:
Has the site been around a while, but you are new to Confluence administration? Take a look at these topics: