We try to make managing subscriptions as easy as possible. If you ever want to change or update anything, you can login with the same email address setup your subscription.
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
There are a number of things you can manage, such as: