The mention of in the filename highlights a major technical achievement of the Fox Engine. When MGSV was released in 2015, 4K gaming was still in its infancy. Yet, the developers included high-resolution video assets for cutscenes.
Generally, no. Most repacks require a full re-installation to incorporate optional .bin files that were missing during the initial setup. fgoptionalstoryand4kvideosenglishbin top
: High-resolution video files (3840x2160) intended for users with 4K displays. These are often significantly larger than the standard 1080p files. The mention of in the filename highlights a
version specifically is usually optional; you can often opt for the standard 1080p story files instead to save space. Summary Table Recommendation Play on 1080p Monitor the 4K file; it adds massive size with no visible benefit. Play on 4K/UHD Display Generally, no
: You have a 4K display and want the highest visual quality for cutscenes.
4K videos in FGO refer to high-definition video cutscenes and cinematics rendered at a resolution of 3840 x 2160 pixels (4K UHD). These videos offer:
: While the videos themselves don't impact gameplay FPS, they require high disk read speeds (SSD recommended) and more RAM during the installation process. Necessity for Story Mode