leeroy

i have just recently had my computer stolen at work with all my software and camera software stolen along with it, could anyone tell me how much it would cost to get another software after i have bought a cheap computer to put it on so that my cameras are up and running again, at the moment i have cameras all placed around my work but no computer to run them.basically my question is, how much is safeking software to install on my computer to get my cams up and recording again?????? thanks.