How does the Desktop version of Microsoft ILIT work?
The Desktop version of Microsoft ILIT is implemented as a Text Service using the Text Services Framework (TSF). Microsoft Windows Text Services Framework (TSF) is a system service included in Windows XP and later versions of the Windows operating system. TSF provides a simple and scalable framework for the delivery of advanced text input and natural language technologies, which will eventually replace the current Input Method Editor (IME) framework. Using Microsoft ILIT, you can enter Hindi text in any application that is TSF-aware.