To edit your shipping address:
Go to the account page
Enter your registered email address - this is the email you used when creating your subscription
Click Get login code
You'll receive a one-time verification code via both email and SMS
Enter the code on the login screen within 3 minutes
Select the Edit button next to your shipping information
To edit your billing address:
Go to the account page
Enter your registered email address - this is the email you used when creating your subscription
Click Get login code
You'll receive a one-time verification code via both email and SMS
Enter the code on the login screen within 3 minutes
Select the Edit button next to Billing