Go to the Z Web Design Customer Portal here
http://www.hostingwebdesign.com.au/customerportal/index.php
Log in to your control panel and find your domain which is listed under the my domains tab.
Click on the renew button below.
Once paid your domain will be automatically renewed and a receipt and confirmation emailed to you.
Please note that you will not lose any unused time if you renew early.
It is suggested that you renew a month or two before the expiry date.
