In order to update your payment details, first, you need to have an Administration level or access.
Go to the Main Menu - Settings - Account.

Next, scroll down to see your Subscription details.
To manage your add-ons - click the Green Square 'Manage Add-Ons'.

To change your Subscription Plan, - click on the 'Change Subscription Plan' button.

To update your credit card details - click on the 'Update Credit Card' button.

To cancel your subscription, click the 'Cancel Subscription' button.
