This section takes you step-by-step through using the Zoom feature to magnify the screen and how to customise its settings, with pictures of the screens to help.
1. Click the Apple icon , in the top left corner of the screen, then select System Preferences. Click the Accessibility icon in the System Preferences window.
2. In the left-hand column, under Vision, select Zoom.
3. To use keyboard shortcuts to enable and control the Zoom feature, tick the checkbox next to Use keyboard shortcuts to zoom.
4. Alternatively, you can use scroll gestures to zoom. You hold a modifier key, Ctrl by default, then use the mouse wheel or a two-finger scroll gesture on your trackpad to zoom in and out. Enable this by ticking the checkbox next to Use scroll gesture with modifier keys to zoom, then select a modifier key from the drop-down menu.
5. The next two options, Smooth Images and Zoom follows the keyboard focus, smooth out pixelation as you zoom into an image and shift the focus of the zoom so that the area of the screen where you're typing is always visible and zoomed in. This is a particularly useful feature if you're editing a document, writing an email or putting information in a form online.
6. When Speak items under the pointer is enabled, the computer will read aloud any item that is currently under the pointer. You can enable it by ticking the checkbox and adjust how long the pointer needs to be over an item before the computer starts talking using the After delay slider. You can also set whether this feature is always active or Only when zoomed using the drop-down menu.
7. Use the Zoom style drop-down menu to switch between a full-screen magnified view and a picture-in-picture view where the area around the mouse pointer is magnified inside a window. Select either Full Screen Zoom or Picture-in-Picture Zoom.
8. Click the Options button next to Zoom style to customise your chosen zoom style. In the full-screen zoom you can adjust the:
9. You can also choose how the zoomed screen image moves in relation to the pointer. Select Continuously with pointer to have it track the pointer constantly or Only when the pointer reaches an edge to have a stationary image that moves when the pointer nears the edge of the screen. Finally, So the pointer is at or near the centre of the screen moves the zoomed screen image to keep the pointer at the centre at all times. Click OK when you've finished making adjustments.
10. The Picture-in-Picture Zoom also has its own set of options. Use the Zoom style drop-down menu and select Picture-in-Picture Zoom, then click the Options button. The first set of options set the position of the zoomed-in window.
11. You can adjust how the cursor appears in the Picture-in-Picture view. Select System cursor to get the standard macOS pointer. Select Crosshair to see an enlarged crosshair in its place.
12. The final three options give you more control over the Picture-in-Picture Zoom.
13. Click the Adjust Size and Location button to change the size and location of the zoomed-in window. A preview of the Picture-in-picture window will appear. You can drag any edge or corner to resize the window, or cick and drag within the window to reposition it on the screen.
14. Click OK when you've finished resizing and repositioning, then click Done when you've finished making all your adjustments.
Note: If this does not work it could be because your computer settings are managed by someone else (an IT department or administrator for example). If this is the case you will need to contact them to access these settings or for further help.