CRI Packed File Maker for PES 2017: The Ultimate Modding Guide
Most mods come in loose folders containing files like .bin (binaries) or .dds (textures). You cannot simply drag these folders into the PES installation directory. The CRI Packed File Maker allows modders to bundle these loose files into a single .cpk archive that the game executable (PES2017.exe) can load.
These archives are compressed and encrypted to optimize loading times. You need a specialized tool: the CRI Packed File Maker .