ADM version 9.1 is only compatible with Windows 7. Any ADM version below 9 will not work on Windows 7 or higher. ADM will not work on Windows 10. ADM is actually no longer used, sold, or supported by ASEBA. We have ASEBA-PC 2015 for single computer installation and ASEBA-Web, our subscription service, browser based program. Here is our catalog: http://www.aseba.org/catalog.pdf Our products and prices are on pages 20-21.