The Windows operating system provides a graphical user interface (GUI). Compared to the console programming, it makes the user's life (but not necessarily the programmer's life) easier. It forms the basis of most modern programs. Manipulating a mouse and clicking on screen elements is definitely more intuitive than a text based menu. If you incorporate the Standard Graphical controls like text boxes, list boxes etc, your users will be familiar with their use. We show how to create a Windows Application that adds two numbers and displays the result.