If you have an active subscription and you want to renew using a different credit card then these are the steps you need to take:
1. Make sure that you are in your workspace, then hover your mouse over your "Username" (which is in the top-right corner of the screen) and click on it.
2. A drop-down menu should appear and now you need to click on "Order History". After this, a new page will be opened and now click on "Billing info".
3.In this step you have to click on "Change", set the new payment and then hit "Save Payment method" and you are all set.