Unable to connect to the DB - CI 2

[eluser]Nicholas Hanks[/eluser]
I installed CI2 from this site (tip)

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http://bitbucket.org/ellislab/codeigniter/downloads
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It is a fresh install in my localhost. So, there is nothing more I can elaborate. This is the error it gives

Code:

A Database Error Occurred

Unable to connect to your database server using the provided settings.

Filename: C:\Program Files (x86)\Apache Software Foundation\Apache2.2\htdocs\public\mocks\system\database\DB_driver.php

Line Number: 124