To change your email address
Go to your account settings page by clicking on the user icon on the upper-right side of the screen > settings.
Click on Update email.
Enter the new email.
To change your name
Go to your account settings page by clicking on the user icon on the upper-right side of the screen > settings.
Click on Update name.
Enter the first and last names in the corresponding fields.
To change your password
Go to your account settings page by clicking on the user icon on the upper-right side of the screen > settings.
Click on Change password.
Enter your current and new passwords in the corresponding fields.