Click on your profile photo at the top right corner of the home page. You'll be taken to the User Settings page, now select User Settings.
From here, you can make edits to:
Upload Photo (by clicking directly on your Profile Picture in the center of the screen above Name)
Your account password
Your account email cannot be changed here (you must contact the customer support team)
Email Notifications preferences
Last but not least, make sure to click the Save Changes button! 😉