Checking the platform version To check the payment platform version: Sign in to the Merchant Back Office. Go to the Help > About menu. The payment platform version appears in parentheses. Example for version 2.22.18.0 Version: 2.104.1 (2.22.18.0) Related articles Hacked e-commerce site What Happens to Other Payments if an Installment Payment is refused > Managing the Prestashop order ID