Suggest me some short cut keys for Windows

Shortcut Keys	Description
Windows Key + D	Minimizes all windows and returns the user to the desktop.
Windows Key + M	Minimizes all windows.
Windows Key + SHIFT + M	Undo the minimize.
Windows Key + E	Open Microsoft Explorer.
Windows Key + Tab	Cycle through open programs through the taskbar.
Windows Key + F	Display the Windows Search / Find feature.
Windows Key + CTRL + F	Display the search for computers window.
Windows Key + F1	Display the Microsoft Windows help.
Windows Key + R	Open the run window.
Windows Key + Pause / Break key	Open the system properties window.
Windows Key + U	Open Utility Manager.
Windows Key + L	Lock the computer (Windows XP and above only).