Problems setting up php Nuke

hey its been a while since i've played about with coding and my first time with php nuke.

I am having problems trying to set up the database. Basically i am unsure of what to change to make it work. If anyone can point me to what i need to change and suggest what it could be changed to it'd be greatly appreciated :D

here's the text document.

[hide]<?php

######################################################################

# PHP-NUKE: Advanced Content Management System

# ============================================

#

# Copyright © 2005 by Francisco Burzi

# http://phpnuke.org

#

# This program is free software. You can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License.

######################################################################

if (stristr(htmlentities($_SERVER['PHP_SELF']), "config.php")) {

Header("Location: index.php");

die();

}

######################################################################

# Database & System Config

#

# dbhost: SQL Database Hostname

# dbuname: SQL Username

# dbpass: SQL Password

# dbname: SQL Database Name

# $prefix: Your Database table's prefix

# $user_prefix: Your Users' Database table's prefix (To share it)

# $dbtype: Your Database Server type. Supported servers are:

# MySQL, mysql4, sqlite, postgres, mssql, oracle,

# msaccess, db2 and mssql-odbc

# Be sure to write it exactly as above, case SeNsItIvE!

# $sitekey: Security Key. CHANGE it to whatever you want, as long

# as you want. Just don't use quotes.

# $gfx_chk: Set the graphic security code on every login screen,

# You need to have GD extension installed:

# 0: No check

# 1: Administrators login only

# 2: Users login only

# 3: New users registration only

# 4: Both, users login and new users registration only

# 5: Administrators and users login only

# 6: Administrators and new users registration only

# 7: Everywhere on all login options (Admins and Users)

# NOTE: If you aren't sure set this value to 0

# $subscription_url: If you manage subscriptions on your site, you

# must write here the url of the subscription

# information/renewal page. This will send by

# email if set.

# $admin_file: Administration panel filename. "admin" by default for

# "admin.php". To improve security please rename the file

# "admin.php" and change the $admin_file value to the

# new filename (without the extension .php)

# $tipath: Path to where the topic images are stored.

# $nuke_editor: Turn On/Off the WYSIWYG text editor

# 0: Off, textareas in forms will not show any editor

# 1: On, all textarea in the forms will show the editor

# $display_errors: Debug control to see PHP generated errors.

# false: Don't show errors

# true: See all errors ( No notices )

######################################################################

$dbhost = "localhost";

$dbuname = "root";

$dbpass = "";

$dbname = "nuke";

$prefix = "nuke";

$user_prefix = "nuke";

$dbtype = "MySQL";

$sitekey = "SwSDsyrgF23$$5%*ddw3$D-2Df/%(-0394ÃÆââ¬Å¡Ãâ÷$%/";

$gfx_chk = 0;

$subscription_url = "";

$admin_file = "admin";

$tipath = "images/topics/";

$nuke_editor = 1;

$display_errors = false;

/**********************************************************************/

/* You finished to configure the Database. Now you can change all */

/* you want in the Administration Section. To enter just launch */

/* your web browser pointing it to http://xxxxxx.xxx/admin.php */

/* (Change xxxxxx.xxx to your domain name, for example: phpnuke.org) *

/* */

/* Remember to go to Preferences section where you can configure your */

/* new site. In that menu you can change all you need to change. */

/* */

/* Congratulations! now you have an automated news portal! */

/* Thanks for choose PHP-Nuke: The Future of the Web */

/**********************************************************************/

// DO NOT TOUCH ANYTHING BELOW THIS LINE UNTIL YOU KNOW WHAT YOU'RE DOING

$prefix = empty($user_prefix) ? $prefix : $user_prefix;

$reasons = array("As Is","Offtopic","Flamebait","Troll","Redundant","Insighful","Interesting","Informative","Funny","Overrated","Underrated");

$badreasons = 4;

$AllowableHTML = array("b"=>1,"i"=>1,"strike"=>1,"div"=>2,"u"=>1,"a"=>2,"em"=>1,"br"=>1,"strong"=>1,"blockquote"=>1,"tt"=>1,"li"=>1,"ol"=>1,"ul"=>1);

$CensorList = array("[bleep]","[bleep]","[bleep]er","[bleep]ing","[kitty]","[rooster]","c0ck","[bleep]","[bleep]","[bleep]","[bleep]","fuk","fuking","[bleep]");

//***************************************************************

// IF YOU WANT TO LEGALY REMOVE ANY COPYRIGHT NOTICES PLAY FAIR AND CHECK: http://phpnuke.org/modules.php?name=Commercial_License

// COPYRIGHT NOTICES ARE GPL SECTION 2© COMPLIANT AND CAN'T BE REMOVED WITHOUT PHP-NUKE'S AUTHOR WRITTEN AUTHORIZATION

// THE USE OF COMMERCIAL LICENSE MODE FOR PHP-NUKE HAS BEEN APPROVED BY THE FSF (FREE SOFTWARE FOUNDATION)

// YOU CAN REQUEST INFORMATION ABOUT THIS TO GNU.ORG REPRESENTATIVE. THE EMAIL THREAD REFERENCE IS #213080

// YOU'RE NOT AUTHORIZED TO CHANGE THE FOLLOWING VARIABLE'S VALUE UNTIL YOU ACQUIRE A COMMERCIAL LICENSE

// (http://phpnuke.org/modules.php?name=Commercial_License)

//***************************************************************

$commercial_license = 0;

?>[/hide]

thanks in advance :)