Unfortunately, the Swann DVR4-1000 security system is developed to work only with Windows XP and below operating systems. In order to run it on your computer, you can try using Windows 8 Compatibility Mode. Navigate to the official web page and download the latest drivers available. After that, right-click on the package and select Properties. Navigate to the Compatibility tab, check Run this program in compatibility mode for box and select a compatible operating system from the drop-down list. Click Apply and then OK. For further information, check Microsoft Support page.