 <p>To change the order status you must first enable order auto complete </p> <p><strong>system->config->sales</strong></p> <p>Disable Order Auto Complete set it to <strong>No</strong>,then go to the order in sales and click <strong>create invoice</strong> on the upper right handside then scroll the page to the bottom and click sent comment once your done with that click ship and click submit comment and the order status will change to complete.</p>