This articles redirects to "Hack FarmVille with Cheat Engine".
one thing it says you have to be log in as a administrator when installing this program
Amazing.. but sorry, it doesn't work for me..many many many addresses drop (or increase) when I buy something, there's no way I can discern which is the one I need to change.. Please advise
Best way: trial and error. This is not a foolproof way of using Cheat Engine, but an overview to help get you used to playing around with it. Sometimes it takes a little finagling and persistence.
why does all my items, money and xp disappear when i log out ??
A lot of times, it won't save. Sometimes, yes. But more often, no. That's how it is with most hacks with cheat engine.