i Design Page

Go to: includes/footer.php
Download footer.php file using FileZilla or any other FTP client.
Use your favorite editor: vi, Emacs, Bluefish, Gedit, Kate, Notepad, etc

Remove:

<code>

<div align=”center”>
<?php echo $_VERSION->URL; ?>
</div>

</code>
from the footer.php

Save the file and upload it to:
includes folder in your server.

It’s easy to remove Joomla! is Free Software released under the GNU/GPL License. Don’t forget to donate to Joomla so it can remain free.