In order to add credit/debit card to your account for automatic payment, please follow below steps:
1) Login to members portal at https://members.softsyshosting.com
2) Click on your username in top menu (right corner) and click on Manage Credit Cards (see screenshot 1.png)
3) Enter your card details and save them. If you want to update existing card details, you will need to follow the same process which will remove existing and update it to new card details (see screenshot 2.png)