It is part of the FitGirl repack infrastructure, designed to be processed by the final installation script. Do You Need to Download fg-optional-4K-videos-3.bin ?
This is achieved through advanced compression algorithms and a selective installation system. The installer splits the game's data into multiple .bin files. These are raw, binary containers that hold the actual game assets: textures, sounds, game code, and, crucially, video files. fg-optional-4K-videos-3.bin
If you encountered a massive file named on your hard drive, you are likely looking at a compressed data archive from a video game repack. Repackers use these .bin files to split optional high-resolution assets away from the main game installation. This allows users with limited storage or slower internet connections to skip downloading heavy 4K videos. What is fg-optional-4K-videos-3.bin? It is part of the FitGirl repack infrastructure,