Please follow the below steps to amend the address of your subscription:
1. Log into your account and select "Manage Subscription" under your account.
2. Select the subscription you wish to amend and click on "See more details."
3. Under the "Payment Details" tab, select "Update Payment". A request will be sent to the email used for registration.
4. Open the email titled "Edit your payment details" and select "Confirm payment information."
5. Key in the respective credit card details / billing address.
6. Select "Update card" and a confirmation message will indicate "Your payment details have been updated successfully." once the step has been successfully performed.