How to change file properties?

sometimes video file shows size more than 700 mb, so how can we burn it on cd.



if the file is copied from cd only to heard disc it shows having size more than 700mb, how to resolve this problem.How to change file properties?
Typically if you go to file properties, you will see two size items. One, actual size, another, size-on-disk, which includes all the padding etc. That's why sometimes, you will see size bigger than it is, for large files / CD images etc.How to change file properties?
forget CDs/ Upgrade to DVD's.



Otherwise, you'll need to compress the vid file using a different codec.How to change file properties?
u r a true dumb