you have to dowload a undetected injector from here: CrossFire Spammers, Injectors and Multi Tools - MPGH - MultiPlayer Game Hacking... you see? UNDETECTED.. you run the injector AS ADMIN, then you write "crossfire.exe" or "crossfire" in the large socket of the injector( some ask for .exe, others no, all depends the hack what you will use, read in detail the tutorials), after that you click in the box what say "browse"search into your files and the select the file what you want inject.. finnaly you run the CF and the inject is done... that you must do.. all the injector are similars, but dont equals, you stand?? but read the tutorials in the hacks what you download, there is all you need... i hope that helped you... PD: sorry, my english isnt perfect...