They graduate as: Windows 1.0 (1983), Windows 2.0 (1987), Windows 3.0 (1990), and all the versions of Windows 3.X, some of their characteristics that are gradually improved by making some modifications:
- Graphic user interface/GUI (it is the software layer, sometimes called the shell, through which the user communicates with the O.S.) it includes many programs and important tools).
- Simple control panel, and windows maximize, minimize, and resize.
- Some operations like copy, move, delete, etc. are done using menus.