The program will disappear from the screen but
remain running on the Taskbar so you can restore it at any time.DietPower Help
To leave a program running but place it in the background
(make it invisible), so that you can work in some other program and later
return to the first program without having to start it up all over again.
To minimize a program, click the minimize button in the upper-right corner
of its window: The program will disappear from the screen but
remain running on the Taskbar so you can restore it at any time.