Replace your local savedata.bin with the modified one. Back up your original first . 3. Alternative: Ultimate Trainer
However, for your first campaign (especially Leon’s horror-focused chapters), we recommend playing legitimately. Fear of the unknown loses its impact when you have 999 bullets.
In Resident Evil 6, infinite ammunition is not a cheat code you type in. It is an "Infinitely" leveled-up skill that must be purchased using earned by completing levels and killing enemies. Unlocking infinite ammo for every weapon in the game normally requires tens of thousands of Skill Points and dozens of playthroughs.