Hi Isabella,
1. You can renew your domain name in the Billing Center at this link:
https://canadianwebhosting.com/login.asp(The login information is the same as your control panel if you have not changed it.)
Once logged in, Select-> Accounts, detail, add years
2. Or you can call us at 1-888-821-7888 to renew your domain name.
(Our sales and billing hours are from 6:30 AM to 6:00 PM PST 7 days a week.)
Henry
Customer Service