Usefull Shortcut Keys for Windows OS.

Useful Shortcut:
Start + M:                   Minimizes all open windows
Start + Shift + M:       Maximizes All Windows
Start + E:                     Runs Windows Explorer
Start + R:                    Open the RUN Dialog Box
Start + F:                     Open the Search Results Dialog box
Start + CTRL + F:      Opens the Search Results-Computer dialog Box (if the computer is connected to a network)
Start + Pause (Break): Opens the System Properties Dialog Box



Windows System Key Combinations:
F1:                        Help
CTRL + ESC:     Open Start menu
ALT + TAB:        Switch between open programs
ALT + F4:           Quit program
SHIFT + DELETE: Delete item permanently



Windows Program Key Combinations: 
CTRL + C: Copy
CTRL + X: Cut
CTRL + V: Paste
CTRL + Z: Undo
CTRL + B: Bold
CTRL + U: Underline
CTRL + I: Italic