Push the Windows Key and the Letter E at the same time to open Windows Explorer.
Windows key + R
will open the Start menu's Run box
Windows key + F
will open the Start menu's Find window
Windows key + E
will quickly launch Explorer
Windows key + Pause/Break
will open the System Properties window
Windows key + M
will Minimize all windows
Windows key + Shift + M
will undo Minimize all windows
Windows key + D
will switch between minimizing all open programs and showing
them all
Windows key + Tab
will cycle through items on the taskbar
Windows key by itself will open the Start menu
ALT-TAB switch among open programs
ALT-ENTER highlight a file or folder and then press combination to view properties
ALT-F4 close a program or window
CTRL-C Copy
CTRL-X Cut
CTRL-V Paste
CTRL-Z Undo