1) Find a hack
2) Find a undetected Injector
Download the hack , run the injector as admin click browse on ur injector find ur dll ( the hack u just downloaded) click auto close and auto injecT ( if its available ) and type in crossfire ( or crossfire.exe if needed) and save ( if needed) now open crossfire and u should have the hack working, other hacks like G-force are different but you can find instructions for those on those threads.
I JUST SPENT 5 MINS WRITING AND THINKING THT UP PLEASE PRESS THANKS BELOW IF I DID HELP U .