Download the Payment Engine

To install the Cardknox payment engine, please follow these steps:

  • Download the Payment Engine from this link.
  • Select the link that matches with your version of Window and .NET.
  • The installation file will be sent to your email, extract the file to a folder on your Window.


To install the payment engine for Cardknox, please follow these steps:

  • Double click on the installation file.
  • When the installation popup is opened, click on “Next”.
  • On the next screen, select the following option for installation as needed:
    • Release Type: “Stable” is recommended.
    • Program Version: Latest version is recommended.
    • OS Version: Select the version that match with your computer.
    • .NET Version: Select your installed .NET version.
    • Download Location: Select a location on your computer to download and install the engine.
  • After finishing selecting your option, click on “Next“.
  • Click on “Start” to download and install the engine on your computer.
  • The downloading and installing process will begin.
  • Click on “Next” after the downloading process is finished.
  • VERY IMPORTANT: Keep “Run Browser Based POS” option ticked, otherwise you may need to remove the payment engine folder and redo the process again.
  • Click on “Finish“.
  • A popup named “xCore” will appears, here please input your xKey, provided by Cardknox support.
  • Click on “OK” after inputting your key.
  • If your key is correct, the payment engine will start working.
  • Afterward, this popup will appears.

Congratulation! You have finished setting up your Cardknox, and can start using Cardknox as payment method on ConnectPOS.

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