Change E-mail #
Warning
You can change your e-mail only if your mail is verified (confirmed).
If you want to change your address for login or email notifications, use the Change E-mail button within your profile settings, insert a new e-mail address, and hit Update. Your new address is now added. Keep in mind it needs to be confirmed!

Change password #
Use the Change Password button and create a new password.
Warning
You will be logged out after clicking the Update button. Now, you can sign in with a new password.

For more information, see: