Windows 7 keyboard shortcut keys

Keyboard shortcuts are always useful; they have made our job easier.
Here’s a list of the new Windows 7 keyboard shortcut keys to improve your productivity and speed. As millions of users have downloaded Windows7 and they are using it. So it is very important to know about keyboard shortcuts

Win+UP Arrow :- Maximize the current window
Win+Down Arrow :- If the current window is maximized, restore it; if the current window is restored, minimize it
Win+Left Arrow :- Dock the current window to the left half of the screen
Win+Right Arrrow :- Dock the current window to the right half of the screen
Win+Home :- Minimize all but the current window
Win+P :- Open the projection menu (generally used for laptops connected to projectors)
Alt+F4 :- Close the active window
Alt+Tab :- Switch to previous active window
Alt+Esc :- Cycle through all open windows
Win+Tab :- Flip 3D
Ctrl+Win+Tab :- Persistent Flip 3D
Win+T :- Cycle through applications on taskbar (showing its live preview)
Win+M :- Minimize all open windows
Win+Shift+M :- Undo all window minimization
Win+D :- Toggle showing the desktop
Win+Up Arrow :- Maximize the current window
Win+Down Arrow :- If the current window is maximized, restore it; if the current window is restored, minimize it
Win+Left Arrow :- Dock the current window to the left half of the screen
Win+Right Arrow :- Dock the current window to the right half of the screen
Win+Home :- Minimize all but the current window