Click the status area, where your account picture appears, or press Alt + Shift + s.
Click Settings .
At the bottom, click Show advanced settings.
In the "Accessibility" section, check or uncheck the box to turn on or off any of these options:
Show accessibility options in the system menu: Adds the Accessibility menu item to your status area.
Show large mouse cursor: Makes the cursor bigger and easier to see.
Use high contrast mode: Inverts colors to make text easier to read. You can also turn this on by pressing Search + Shift + h.
Enable sticky keys: Holds down the accessibility shortcut keys (Shift, Search, Ctrl, Alt) so you don’t have to press them first every time.
Enable ChromeVox (spoken feedback): Describes what is happening on the screen.
Enable screen magnifier: Makes items on the screen bigger. Pan around to see them.
Enable tap dragging: To move objects on the screen, double-tap and drag your finger.
Automatically click when the mouse pointer stops: Click without pressing your mouse, touchpad, or other pointing device. You can also choose the length of the delay before clicking.
Enable on-screen keyboard: Shows an on-screen keyboard that can be clicked with a mouse (or tapped if you have a touch screen).
Play the same audio through all speakers: Play all sounds together (mono sound) rather than separately (stereo sound).
Highlight the text caret: See a colored circle that fades until the cursor reappears or moves.
Highlight the mouse cursor: See a colored circle around your cursor while it’s moving.
Highlight the object with keyboard focus: See a colored rectangle around an object.