I would like to know if there is a way to zoom out and preview all the active windows.

Like this: <http://www.howtogeek.com/howto/windows-vista/mac-osx-expose-clone-for-windows-vista/>
![preview windows](https://i.stack.imgur.com/2fVjz.jpg)

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Also, here is a program that does a similar effect, but on Vista: <http://insentient.net/>