[V2] How to change my credit card payment?

You must first log in to your HAL account.
Then, using the side menu, click on your Profile:

Then, go to the Subscription tab:

At the bottom of the page, you can click on Update Payment Method: 

All you have to do is fill in the banking information and click on Update Payment Method to validate your choice: 

Once validated, your new payment method will be effective automatically. No additional charges will be applied.