WIN-PAUSE brings up system proprties
Win-F  Find files or folders
Win-M  Minimize all windows
Win-E  Windows Explorer (file manager)
Win-R  Run program prompt

Activate the menu bar in programs F10 or ALT
Carry out the corresponding command on the menu ALT + underlined letter in
menu
Close the current window in Multiple Document Interface (MDI) programs.
CTRL+F4
Close the current window or quit a program ALT+F4
Copy the selected item CTRL+C
Cut the selected item CTRL+X
Paste the selected item CTRL+V
Delete the selected item DELETE
Undo CTRL+Z
Display Help on the selected dialog box item F1
Display the current window's system menu ALT+SPACEBAR
Display the shortcut menu for the selected item SHIFT+F10
Display the Start menu CTRL+ESC
Display the system menu for MDI programs ALT+HYPHEN (-)
Switch to the window you last used
(Switch between windows by holding down ALT while repeatedly pressing TAB.)
 ALT+TAB