Go to Profile → Subscription
Click Manage Billing or Payment Methods
You'll be taken to the secure billing portal
In the billing portal, find Payment Methods
Click Add payment method or Update
Enter new card details
Set as default if desired
Save changes
Access Payment Methods
Click Add payment method
Enter card information
Choose whether to make it default
Old card can be kept or removed
Access Payment Methods
Find the card to remove
Click Remove or delete icon
Confirm removal
Note: You must have at least one payment method on file for active subscriptions.