To view or edit your personal data click on the Profile icon at the bottom of the page. The following information will be displayed:
Avatar
User’s Login
Display Name
Email
Position
You can change the avatar by putting the mouse cursor over the image and clicking Edit. Drag and drop the image or click Upload photo, press Save.
To modify personal data click the Edit button. To confirm changes click Save.
You can make private your Login, Email and Position, for this click 
sign at the right side of the respective field.
To set a new password click the Change Password button. Type your current password, enter a new one, confirm a new password and press Save.