This keys is used for all windows version:
like: WINDOWS XP
WINDOWS 7 & 8
Warning: (But i’m not sure in windows vista because i’m not try this window in my life)
Open the Microsoft Windows help and support center.
Opens the Desktop to the top of all other windows.
Open Microsoft Windows Explorer.
Display the Windows Search or Find feature.
+ Ctrl + F
Display the search for computers window.
Lock the computer and switch users if needed (Windows XP and above only).
Minimizes all windows.
+ Shift + M
Undo the minimize done by + M and + D.
Open the run window.
Open Utility Manager or the Ease of Access Center.
Windows XP only
Cycle through open programs through the Taskbar.
Windows 7 and 8 only
Pressing the Windows key and any of the top row number keys from 1 to 0 opens the program corresponding to the number of icon on the Taskbar. For example, if the first icon on the Taskbar was Internet Explorer, pressing + 1 would open that program or switch to it if already open.
+ (Plus (+) or Minus (-))
Open Windows Magnifier and zoom in with the plus symbol (+) and zoom out with the minus symbol (-).
- Press the + ESC to close the Magnifier
WINKEY + Home
Minimize all windows except the active window.
Change between the monitor and projection display types or how second screen displays computer screen.
Set the focus on the Taskbar icons
+ Left arrow
Shrinks the window to 1/2 screen on the left side for side by side viewing.
+ Right arrow
Shrinks the window to 1/2 screen on the right side for side by side viewing.
+ Up arrow
When in the side by side viewing mode, this shortcut takes the screen back to full size.
+ Down arrow
Minimizes the screen. Also, when in the side by side viewing mode, this shortcut takes the screen back to a minimized size.
Windows 8 only
Peek at the Windows Desktop.
Snap a Windows App to the sides of the screen. Pressing it multiple times will switch between the right and left-hand side of the screen or unsnap the app.
Open Windows Narrator
Open the Charms.
Cycle through Desktop gadgets.
Open Share in Charms.
Open the Settings in Charms.
Switch between snapped apps.
Open Devices in Charms.
Lock the screen orientation.