__Installer folder: Includes necessary drivers like DirectX and C++ Redistributables. Battlefield 3 - Википедия
: Likely contains the initial setup files, core game assets, or the Frostbite 2 engine binaries. 💡 Important Installation Tips Battlefield.3.czД™Е›Д‡1.rar
If you are trying to install the game using this file, keep these points in mind: core game assets