If you want to, you can reset your password on "Setting" page.
Click "Click Here to Reset Your Password", you will receive an "Reset Password" e-mail. You need to press the link in the email and it will lead you to a reset password page.
Enter a new password in both 'New password' and 'Confirm password' column. When you finished, press 'Reset Password'. Then your password will be changed.
Please note that the password must contain at least 8 characters, one number, and at least one capital letter.