Applications written for Microsoft Windows are easy for users to learn and provide a lot of functionality, because of the flexibility of the Windows application architecture. As a case in point, an application written for Windows automatically can print to hundreds of printer and screen types, because of the device independent way Windows itself was designed.

R. E. Coker and Associates uses three main technologies in the design of Windows applications: Visual Basic, Visual C# and Visual C++. Visual Basic is the tool of choice for simple form based applications. Visual C++ is a better choice when there are unique situations that need to be handled by the application, such as the need for background processing. Visual C# has many features of both environments. It is also possible to combine the three languages in an application.