Go to the account page
Enter your registered email address - this is the email you used when creating your subscription
Click Continue
You'll receive a one-time verification code via email
Enter the code on the login screen
Select Subscriptions at the top of the page
Select the Add product button
Find the product you'd like to add
Click the Add button
If you need any assistance, please don't hesitate to reach out. We're happy to help make any adjustments to your subscription.