WINDOWS : Display the Start menu.
WINDOWS + D : Minimize or restore all windows.
WINDOWS + E : Display Windows Explorer.
WINDOWS + TAB : Cycle through buttons on the taskbar.
WINDOWS + F : Display Find: All Files.
CTRL + WINDOWS + F Display Find: Computer.
WINDOWS + F1 : Display Help.
WINDOWS + R : Display the Run command.
WINDOWS + BREAK : Display the System Properties dialog box.
SHIFT + WINDOWS + M : Undo minimize all windows.
CTRL + F4 : Close the current window in(MDI) programs.
ALT + F4 : Close the current window or quit a program.
ALT + SPACEBAR : Display the current window’s system menu.
SHIFT + F10 : Display the shortcut menu for the selected item.
CTRL + ESC : Display the Start menu.
ALT + HYPHEN : Display the system menu for MDI programs.
CTRL + C : Copy.
CTRL + V : Paste.
ALT + TAB : Switch to another window by holding down ALT while repeatedly pressing TAB.