Yes, Field Service Group Activity is the application that works with KHS and you can download it free of charge from the official web page. Click the blue Download Now button, save the file to your computer and install the application following the on-screen instructions. After that, download KHS and install it in (C:) > Majestic Software > FSG directory. Also, configure your Windows firewall and security program to allow the application to communicate. After that, go to Start, type Windows Firewall with Advanced Security and open the utility. Select Inbound Rules > New Rule, check the Port box, click Next, type 25, 465, 587 in the Specific Local Ports, press again Next and follow the self-explained steps.