Login to the Domain Manager and go to Domains > Bulk
Select the renew option and click next.
Select the renew period, add the domains you wish to renew and click next. For information on the renew periods supported by the various TLD's we offer, check the TLD metadata overview.
Confirm the renewals on the next page.
If renewals complete successfully, a 'done' message is shown. If domains are not able to be renewed due to an error, an error message will be displayed at the result of the renewal process.