Windows Explorer Keyboard Shortcuts

END : Display the bottom of the active window
HOME : Display the top of the active window
NUM LOCK+Asterisk sign (*) : Display all of the subfolders that are under the selected folder
NUM LOCK+Plus sign (+) : Display the contents of the selected folder
NUM LOCK+Minus sign (-) : Collapse the selected folder
LEFT ARROW : Collapse the current selection if it is expanded, or select the parent folder
RIGHT ARROW : Display the current selection if it is collapsed, or select the first subfolder