how do you change your profile pic on mac?
['On your Mac, choose Apple menu > System Preferences, then click Users & Groups. Open Users & Groups preferences for me.', 'Click the lock icon to unlock it.', 'Enter an administrator name and password. ... ', 'Select the user account on the left, then click the picture on the right. ... ', 'Do one of the following: ... ', 'Adjust the picture.']