To change your password or update other account information, please send an email on https://help4k.com/contact.html using the same email address you used to sign up. Include the updated login information you wish to modify.
If you need to update your billing information, we recommend contacting the billing company that processed your payment directly. They will be able to assist you with updating your payment method or other billing details.
Epoch: https://epoch.com/billing_support/find_purchase
SegPay: https://cs.segpay.com/
Vendo: https://secure.vend-o.com/customers/profile/login/