Installing website problem

how can i install website i tryed installing it doing xamp and using the Aetger ran CP but i cant make it work Connection with SQL Server Failed error #119 i already config the config.php with this
<?
Error_reporting(E_ALL ^E_NOTICE ^E_WARNING):

$website['connection'] = 'mssql';

$website['localhost'] = '127.0.0.1': <<<< i tryed to change this 127.0.0.1 to my WAN IP nothing change

$website['dbhost'] = 'SERVER-PC\SQLEXPRESS': i did put this SERVER-PC

$website['database'] = 'RanUser';

$website['dbuser'] = 'sa'; <<<<< sa

$website['dbpassword'] = '1234': <<<< my password here is 1234 just testing

require("incluedes/web.php"):

?>

try this code:
<?php
error_reporting(E_ALL ^E_NOTICE ^E_WARNING);
$CONFIG['servername'] = "RAN RAN AWAY";//Web Name
$CONFIG['dbaddress'] = "______\SQLEXPRESS";//DB IP
$CONFIG['dbuser'] = "sa"; //DB ID
$CONFIG['dbpass'] = "1234"; //DB PASS
$CONFIG['dbdbname'] = "RanUser";
$CONFIG['dbdbname1'] = "RanGame1";
$CONFIG['dbdbname2'] = "RanShop";
$CONFIG['registration'] = "1";
$CONFIG['maxaccounts'] = "0";
$CONFIG['maxemail'] = "1";
$CONFIG['email'] = "0";
$CONFIG['emailaddress'] = "";
$CONFIG['emailsmtp'] = "";
$CONFIG['emailuser'] = "";
$CONFIG['emailpass'] = "";
?>