How do i change my e-mail and password

IF YOU WANT A NEW EMAIL AND A PASSWORD YOU CAN GET ONE FROM WWW.GMAIL.COM

Step:
(A). If your are know your username and passport then
1. log in your facebook account >> setting >>Email - You can see your email address here.
2. find password from Forgot password

(B) if you are not know your email address and password both then
1. Clcik forgot password >>type your usename (usename see here facebook.com/username) >>search>>continue>>enter code you receive>>Continue>>new password ok Done.