WES7 is based on Windows 7, WE8S is based on Windows 8. The development tools are similar, but WE8S added the ability to create package rather than using distribution share. WE8S was the last version created by the Windows Embedded Team. There was some
interesting ideas, but it is not a great tool chain. I would recommended using Windows Embedded 8.1 Industry instead of WE8S.
Sean Liming - Book Author: Starter Guide Windows 10 IoT Enterprise - www.annabooks.com / www.seanliming.com