Windows 7 keyboard shortcut keys which will impress u

Friends,  here are some important windows 7 shortcut which will impress u..
Aero Shortcuts
1. Windows + Spacebar
(Aero Peek)Make all open windows transparent to view gadgets and icons on desktop.
2. Windows + D
Show or hide the desktop.
3. Windows + Home
Minimize all but selected window. Reverse by clicking the key combination again.
4. Windows + left arrow OR Windows + right arrow
Dock selected window to the left or right half of your screen.
5. Windows + up arrow OR Windows + down arrow Maximized and restores the selected window.
6. Windows + SHIFT + up arrow OR Windows + SHIFT + down arrow
Maximizes and restores selected window in vertical dimension only.
7. Windows + Tab
Launch 3D representation of open windows and click [Tab] key again to flip through them.
Windows & Taskbar
8. Alt + Ctrl + Tag + left/right/up/down arrowFlip window.
9. Alt + Tab
Cycle through open windows.
10. Windows + T
OR Windows + SHIFT + T
Move focus to front or back of taskbar. Press T again while holding the Windows key to cycle through items in the taskbar from left to right or, with SHIFT button held too, from right to left.
11. [Windows] + B
Puts focus on the ''show hidden icons’' button on the system tray.
12. [Windows] + [1] THROUGH 1st icon launch
13. [Windows] + [9]Launch first through ninth icon on taskbar, including items pinned to taskbar.
14. Windows + SHIFT + 1 THROUGH Windows + SHIFT + 9
Starts new instance of respective taskbar icon.
15. Windows + Ctrl + 1 THROUGH Windows + Ctrl + 9
Cycles through multiple instances of the respectiveicon.
16. Windows + Alt + 1 THROUGH Windows + Alt + 9
Opens jump list for respective icon.Multiple Monitors
17. Windows + SHIFT + rightarrow OR Windows+ SHIFT + left arrow
Move selected window from one monitor to another. They will remain in the same relative location.
18.Windows + P
Select presentation displaymode.Magnifier
19. Windows + (+) OR
Windows + [-]
Activates Windows Magnifier to zoom in or out of screen.
20.Ctrl + Alt + [D]
Switch to locked mode.
21. Ctrl + Alt + [L]
Switch to lense mode.
21.Ctrl + Alt + [F]
Switch from docked or lens mode back to full screen mode.
22.Ctrl + Alt + [I]
Invert colors.
23.Windows+ [Esc]
Exist magnifier views.
24.Windows + [G]
Cycle through desktop gadgets.
25. Windows+ [X]
Launches Windows Mobility Center. Especially useful if you’re working on a laptop.