I am got a few questions : General & Trouble Shooting

I am new to the whole hacking thing and i thing it is pretty cool. i like to play around with a couple files and serious want to get into it. I download Mediaval 2 total war but found that there was a free trail version but u could unlock the whole game if u paid. i want to know how to delted all that free trial stuff or bypass it and unlock the whole game.