Once a modder has edited a texture (a kit, a face, or a logo), they must inject it back. V1.7a utilizes a compression algorithm that mimics the original CRI Middleware specs. This ensures the file size remains manageable and the loading times in-game are not adversely affected.
While the manager tool itself has very low system requirements, the games it modifies have specific needs: PES 2021 | 2025/26 Season OPTION FILE & TUTORIAL