Follow the lost password prompts.

Password for what？ if you are referring to the PW for website, you can retrieve it by answering some questions you have sett when registered.

If it is the password for your mail account.. say Gmail, Yahoo.. click on forgotten password. You will then be asked to enter an answer to a question which you had entered when you set up your account. This could have your first school, teacher, phone number or any other memorable event which would be only known to you. Additionally you may have another email id that you may have set up. Once you have entered that correctly you will be directed to a page where you can reset your password and confirm.