“For example, the Accessibility pane of System Preferences, which houses a number of features to help users who have limited seeing, hearing, and mobility, contains some nifty features that all users should know about,” McElhearn writes.
Here are five system tweaks that you might want to try on your Mac:
1. Change the cursor size
2. Zoom everything, easily
3. Get silent, visual alerts
4. Make modifier keys sticky
5. Mouse with your number pad
Read more in the full article here.