Because this is a .rar file (likely containing the .js script or a local loader), you can use it in one of two ways:
: Before running any automation mod, export your save from the game's Options menu. Over-aggressive automation can sometimes glitch game states or achievements.
: Can be configured to pause actions or trigger specific combos during Frenzies or Building Specials. Installation Guide
: If you are using the Steam version, you can manually add mods by following the Steam Modding Guide, which suggests placing local mod folders in the game's resources/app/mods/local/ directory. Guide :: Recommended Mods for Cookie Clicker