You can Sign Up easily with Your Facebook Account as well, simply Go to Log in section at top right of this Page and Click on Login after that Click on Login with Facebook and Your account will be created automatically which will be synchronized with your Facebook account. But once you log in through Facebook that account can not be changed to Email Address and you will need your Facebook Account for this. 

If you dont want to Sign up through Facebook and want to Sign up through Email Address then you can Fill Boxes bellow to make your Account.