Abstract: In this paper, we present the development of computer, openwindows detail. The system gets the open windows ID and then returns this windows full name, process id, start time and main window's title. This system is developed in Java. All so define algorithm and work flow of the system. First time start any type of application that time gets application detail.These all work are depend on Microsoft different operating system.it is same as task manager.

Keywords: ProcessId,Time, Windows Title, Icon.