The official SDK is expensive and targeted at studios, not individual modders. Since Konami does not release official modding tools for PES, the community has historically relied on reverse-engineered or patched proprietary tools to keep the game alive with new kits, faces, and stadiums.
: Users can unpack existing game or patch files to view or edit internal assets, such as extracting player face files for relinking. Portable Utility cri packed file maker pes 17 patched
Tell me which alternative you prefer.