To login to your account, enter your username and password in the correspondent fields, then click "Sign in".
The password is case sensitive while the username is not.
If you want the page to remember your username the next time you login, check the box labeled "Remember me".
If you want to directly access your account without having to login, check the box labeled "Sign me In automatically".
Remember that if you log out of your account or use another computer, this option will not be valid.
If you forget your password click on the link "Forget Password?" displayed at the bottom of your page.