To use a trainer, you must bypass this system. Because of the EAC restriction, many trainers have not been updated for years—but they can still work on older, un-updated game versions. This is a key reason why a trainer for version 1.0.0.0 is valuable.
Launch the trainer as an Administrator (Right-click -> Run as Administrator). Launch Far Cry 5. Far Cry 5 Trainer 1.0.0.0
Using the Far Cry 5 Trainer 1.0.0.0 is relatively straightforward. Here's a step-by-step guide: To use a trainer, you must bypass this system
