Practice the "Drag Headshot" technique in the training ground or look for legitimate sensitivity settings (400+ DPI settings) on YouTube.
However, if you are looking for a of what users typically experience with these files (found on YouTube, shady blogs, or Telegram), here is an objective breakdown based on common user reports. Review: "Descargar Macro De Free Fire Para Pegar Todo Rojo" Overall Rating: ⭐ (1/5) – High Risk, Low Reward
This type of macro is typically a script or automated input sequence (often for PC emulators like Gameloop or LDPlayer) designed to control recoil and fire rate. The goal is to make every bullet land in the same spot ("todo rojo" – all red/headshots).
It's important to start with a clear : Searching for or downloading macros for Free Fire (or any competitive game) that claim to give you "all red hits" or "no recoil" is a violation of Garena’s terms of service. Using such tools will likely result in a permanent ban of your account.