diff --git a/wp-admin/upgrade-072-to-073.php b/wp-admin/upgrade-072-to-073.php
index 3cc4573c9..6777e9331 100644
--- a/wp-admin/upgrade-072-to-073.php
+++ b/wp-admin/upgrade-072-to-073.php
@@ -1,5 +1,87 @@
 <?php
+require_once('../wp-config.php');
+require('wp-install-helper.php');
 
-/* Just a placeholder for now, to be updated as features are added that require database changes. */
+$step = $HTTP_GET_VARS['step'];
+if (!$step) $step = 0;
+if (!step) $step = 0;
+?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+<title>WordPress&rsaquo;.72 to .73 Upgrade</title>
+<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
+<style media="screen" type="text/css">
+	body {
+		font-family: Georgia, "Times New Roman", Times, serif;
+		margin-left: 15%;
+		margin-right: 15%;
+	}
+	#logo {
+		margin: 0;
+		padding: 0;
+		background-image: url(http://wordpress.org/images/wordpress.gif);
+		background-repeat: no-repeat;
+		height: 72px;
+		border-bottom: 4px solid #333;
+	}
+	#logo a {
+		display: block;
+		text-decoration: none;
+		text-indent: -100em;
+		height: 72px;
+	}
+	p {
+		line-height: 140%;
+	}
+	</style>
+</head><body> 
+<h1 id="logo"><a href="http://wordpress.org">WordPress</a></h1> 
+<?php
+switch($step) {
 
-?>
\ No newline at end of file
+	case 0:
+?> 
+<p>This file seeks to upgrade you to the latest version of WordPress. If you are upgrading from any version other than .72, you should run the previous upgrade files to get everything up to date before running this.</p> 
+<p>If you&#8217;re all ready, <a href="upgrade-072-to-073.php?step=1">let's go</a>! </p> 
+<?php
+	break;
+	
+	case 1:
+?> 
+<h1>Step 1</h1> 
+<p>If it isn't there already, let's add a field new to this version.</p> 
+<?php
+// Create post_name field
+$query = "ALTER TABLE `$tableposts` ADD `post_name` VARCHAR(200) NOT NULL";
+maybe_add_column($tableposts, 'post_name', $query);
+
+// Create index if it isn't there already, suppress errors if it is
+$wpdb->hide_errors();
+$wpdb->query("ALTER TABLE `$tableposts` ADD INDEX (`post_name`)");
+$wpdb->show_errors();
+?> 
+<p><strong>Done.</strong></p> 
+<p>Now let's populate the new field.</p> 
+<p>Working
+  <?php
+// Get the title and ID of every post, post_name to check if it already has a value
+$posts = $wpdb->get_results("SELECT ID, post_title, post_name FROM $tableposts");
+
+foreach($posts as $post) {
+	if ('' == $post->post_name) { 
+		$newtitle = sanitize_title($post->post_title);
+		$wpdb->query("UPDATE $tableposts SET post_name = '$newtitle' WHERE ID = $post->ID");
+	}
+	echo ' .';
+	flush();
+}
+
+?> 
+  <strong>Done.</strong> </p> 
+<p>See, that didn't hurt a bit. All done!</p> 
+<?php
+	break;
+}
+?> 
+</body>
+</html>
\ No newline at end of file
