To run the software, download Microsoft Virtual PC 2018 from the website. It’s free. Run the software to create a virtual machine and boot the Kadiag fro drive A and it should run. Go to settings in the VM and set comm 1 to physical comm. Attach the cable via usb and plug it into the jet ski. You can search the web on how to make a plug with a usb. This will work on a modern laptop. It’s the vm that runs the software in dos.