Change payment method from credit card to paypal
To switch your payment method to paypal from credit card log into https://my.interserver.net with your email address and password. If you have lost the password use https://my.interserver.net/password.php
Once logged in at the top right open the billing tab and select Update Personal Information under Legacy billing and Above reports.
Under Disable “I Forgot My Password” Password Resets is the option
Select Payment Method
In the drop down change from Credit Card to paypal and save by clicking Update Information.