Enable/Disable Aero Peek
When you have multiple windows open, you can preview the desktop without having to minimize all open windows by enabling Aero Peek.
1. Right-click Start and select Properties
2. Click Taskbar tab, then check (Enable) uncheck (Disable)
3. Click Apply and OK
3. Click Apply and OK
4. Right click Computer and select Properties
5. Click Advanced system settings
5. Click Advanced system settings
6. Click Advanced tab and click Settings
7. In Visual Effects tab, check (Enable) uncheck (Disable)
8. Click Apply and OK
8. Click Apply and OK
9. At the bottom right corner, there is a rectangle bar (Show Desktop). Click on it while there are multipile windows open.