: Download and install a free extraction utility like 7-Zip or the trial version of WinRAR .
The file is a compressed archive containing a "trainer"—a third-party program used to modify game memory and enable cheats like infinite health or ammo for Battlefield 1 . Step 1: Extract the Files trainer_bf1.rar
: Alt-Tab out of the game and launch the trainer executable. : Download and install a free extraction utility
: Right-click the trainer_bf1.rar file and select "Extract to trainer_bf1/" to create a folder with the contents. Step 2: Security and Preparation : Right-click the trainer_bf1
: Using a trainer in online multiplayer will result in a permanent ban by FairFight or PunkBuster, as it is easily detected by anti-cheat systems.
: Only use this trainer in Campaign/Offline mode .
: Start Battlefield 1 first and reach the main menu or start a single-player campaign mission.