Every user can manage their own profile, notifications, and security settings. To view and update these settings, click on your profile picture and select User settings.
Profile
Under the Profile tab you can update your profile photo, name, and display name.
Notifications
Click the Notifications tab to configure the notifications you want to receive and how you want to receive them (e-mail vs. in-app).
Security
On the Security tab you can update your email address and change your password.