Unlike cheat codes (which developers intentionally leave in), trainers are external tools made by modders and hackers. They allow you to toggle cheats on and off instantly, usually via hotkeys (like F1, F2, etc.).
For those who prefer not to use external software, certain "cheats" can be achieved through file modification: Command And Conquer Generals Zero Hour Shockwave Trainer
Over the years, several trainers have been released. Based on community feedback from Reddit, ModDB, and PPM (Project Perfect Mod), one stands out: usually via hotkeys (like F1
: If a trainer won't work, you can manually edit your starting cash by opening Skirmish.ini (found in Documents\Command and Conquer Generals Zero Hour Data ) and changing the StartingCash value. and PPM (Project Perfect Mod)