Oh and i think you have to make sure its an up too date license aswell (You said you had some in the past)
Questions ==
1) I dont think it will work too great in frames (cookies wise) I could be wrong though as i have never tried it.
2)The current STABLE version is 2.3.4 if i remember correctly. But you can also download vB3 RC2 which is the board you are seeing on this site
3) Dont believe so
4) Could pay someone who may be able to figure it out.