error while running the /wp-admin/install.php

Hi all,
Getting stucked while running the wp-adming/install.php, after pressing enter it is showing php script in the browser itself ….

this the script i am getting on the borwser….

wp-config.php file. I need this before we can get started. Need more help? We got it. You can create a wp-config.php file through a web interface, but this doesn’t work for all server setups. The safest way is to manually create the file.”, “WordPress ? Error”); } require_once(‘../wp-config.php’); require_once(‘./upgrade-functions.php’); if (isset($_GET[‘step’])) $step = $_GET[‘step’]; else $step = 0; header( ‘Content-Type: text/html; charset=utf-8’ ); ?> > text_direction) ) : ?>