You can edit your profile settings such as your name, email, avatar and notification preferences from the Profile Settings page which you can access by clicking on your username at the top-right corner of the page and selecting the Profile Settings option from the dropdown list.
The following settings can be updated:
Username: Your publicly displayed username
Email: Your email address used for email notifications
Cell Number: Your cell number
Avatar: Your publicly displayed profile picture
Notification Preferences:
Remember to click on the Save Settings button to save your settings once changed.
Switching accounts:
If you have multiple accounts set up, you can also switch from one account to another by clicking on your username or avatar on the top right corner of the page and selecting the Switch Accounts option.