Accessibility Shortcut Keys

Press SHIFT five times: Toggles StickyKeys on and off
Press down and hold the right SHIFT key for eight seconds: Toggles FilterKeys on and off
Press down and hold the NUM LOCK key for five seconds: Toggles ToggleKeys on and off
Left ALT + left SHIFT+NUM LOCK: Toggles MouseKeys on and off
Left ALT + left SHIFT+PRINT SCREEN: Toggles high contrast on and off