By downloading, installing and running the client then entering your IMVU login info there.
can not
Not sure exactly what you mean by this but to type in IMVU you can go to http://www.imvu.com/ If you refer to logging in, all you have to do is double click your IMVU icon, and type your avatars name into the login screen. If guest usually appears before your name, you DO NOT have to type in guest in the login screen. Just type in your avatar's name (screen-name) and your password and login.
Become a creator
to Login on imvu, use this URL www.imvu.com/catalog/login.php this is the member login page
no you cant smoke. if its not in the store then you cant smoke
You Cant
u cant make imvu if ur under 13
Your date of birth, because the date you signed up on is already saved when you login to IMVU and the account has been created.
u cant change it its always gonna be thereYou can only hide your age, other than that. You can't hide anything more.
you cant
Like lets say you click the check that says that. That means everytime you restart your computer IMVU will pop up with the login and junk:D