Change Username or Password
Go to account settings page

In the account settings page you can change your account username or password at any time. To access your account settings click on your username located on the right side of the top navigation bar.
Change username or password

To change the username, go to the username section and fill in the corresponding text field with your new username and click the "Change Username" button.

To change the password, go to the password section and fill in both fields with your new password. Then click the "Change Password" button.