1. copy files to relative from DocumentRoot:
includes/languages/english/modules/payment/payneteasy.php
includes/modules/payment/payneteasy.php
2. After copy in Administration - Modules - Payment click button "+ install module".
Choice in modules list PayNetEasy Payment Gateway and click to button "install module"
3. In area Administration - Modules - Payment choice "PayNetEasy Payment Gateway" and click button "Edit"
for configurate module.
3.1 Do you want to accept PayNetEasy payments? - "true|false" - PayNetEasy will be acceptable|nonacceptable for users in payment modules list
3.2 Control key
3.3 Transaction url
3.4 Merchant Login
3.5 Set Order Status - Approved