AOL Instant Messenger Registration   Choose a Screen Name   Screen names can be from 3-16 characters and must begin with a letter.   Type a Password   Passwords can be from 4-16 characters. We recommend including both letters and numbers.   Retype to Confirm Password   Your E-mail Address Refresh page to generate a different random e-mail address   (example: Name@aol.com or Name@netscape.net)