It unpack the game into its subfolders
what you need is the share folder, it contains all of the data so you can do pretty much every hack, without CE
Yes CE is easy and hard at the same time, and 99% of the people who use it are totally clueless what they are doing
In csv edit, you know how you do it, and it helps knowing this since it "only" needs a crc bypass and you edit everything according to your preferences*
*you can do this in CE scripts, but you also need to know how
skill hack is banned, but if you put a little effort and search around you can do you csv skill hack