Windows Embedded 8.1 Pro is the full version of Windows 8.1 Pro but with embedded licensensing. The embedded licensing allows you to ship the operating system pre-installed and pre-activated together with your embedded application to your customer.

Windows 7 for Embedded Systems allows you to use all the features of Windows 7 on your embedded device. You can choose between Windows 7 Professional for Embedded Systems and Windows 7 Ultimate for Embedded System depending on what features you need.
Use new features such as Multitouch, DirectAccess, VHD boot with Windows 7 for Embedded Systems.