In order to change your password at Way2SMS.com, you have to login with your mobile number and password.
Once you login with your mobile number and your password, you can follow the below steps to change your password.
Your password will get updated. You have to log in with your new password from next time onwards when you visit Way2SMS.
If you wish not to use Way2SMS anymore, you may email firstname.lastname@example.org to delete the account.