Screen Reader Basics VoiceOver on Mac

If you also want to know how to use it on an iPhone visit:

Screen Reader Basics VoiceOver on iPhone

Or if you are new to Web Accessibility, this may be helpful:

Web Accessibility Made Easy

Where

System preference → Accessibility → Voice Over → Click on Enable VoiceOver

Activation

Turn it on/off

cmd + fn + f5

Stop talking

Ctrl

Navigation

VO | VoiceOver modifier key

Ctrl + opt

Go next

VO + >

Go prev

VO + <

Heading navigation

VO + cmd + h

Click

VO + space

Get into a section

VO + down arrow

Get out a section

VO + up arrow

Open list of menus

VO + cmd + up/down

Source