If you have multiple windows of the same program open on your Windows 7 desktop, you can go through or shuffle through them easily in Windows 7.
To do so, press down CTRL key and then continue to click on the programs taskbar icon. You will see that you can shuffle through its open windows.
To get a hang of it, open 4-5 windows, of say Notepad, and position them in different places and have some maximized and some minimized, and then try it out.
Once you get used to it, you will find that it is quite a handy feature.
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