Hi there,
Have you clicked on the Help system at all, or pressed the F1 key. You will
find the manual there.
If you have a printer and want a hard copy, then all you need do is click
on the section in the left hand pane to select it and then print it.
About the file that you already have. Where did it come from? is it
something you downloaded from the Internet? If you right click it and
select PLAY, does it play? and if it does, is it a Video or an Audio file?
To save a file to disk such that it will fit onto a disk you use the SAVE
MOVIE FILE option and when you reach the third dialogue screen you select
the option "Best Fit To File Size" option to specify the eventual size of
the file. However, MM2 achieves what you want by making the frame size
smaller. If you want to keep the frame size, you should consider obtaining
the proper DivX software. You should check this first, I understand that
the official DivX software can sacrifice some of the quality in order to
maintain the frame size.
I think you need to have a good read of the help files that come with Movie
Maker and possibly read up on DivX as well.
You would also benefit from obtaining Movie Maker 2 from the Microsoft web
site if you are still running Movie Maker 1