I don't know of anyway of reovering a password. Try contacting AOL. They might give you the password if you supply everything like your zip code, secret question, birthdate, etc.
I think he's wanting to hack one, I mean look at what topic it's in..
The only way really is to use a program ._.;
A.K.A be a script kiddie..
Unless you have C/C++/VB/PHP knowledge then you just get the registry number and have it write to a .txt..
Or use social engineering..
social engineering would be tough to do with AOL. Since they give all of their employees a seminar on how to determin if they are dealing with a social engineer