I have been using a Dacor Darwin for a few years know. I resently read that there is a way i can us the ir on my laptop to up load dives to computer. Is there a way i can download the program without buying the ir usb piece. I downloaded the full version of I.R.I.S. from the mairs site but is said my computer was not configured for it. I have a new laptop running windows vista. Can anyone help?