What does windows contain?

Windows, as an operating system, contains a graphical user interface (GUI) that allows users to interact with the computer through Windows, icons, and menus. It includes essential system files, drivers, and pre-installed applications that enable various functionalities like file management, internet browsing, and multimedia playback. Additionally, Windows supports third-party software installation and user customization. Overall, it serves as a platform for running applications and managing hardware resources.