In the directory of a standard PES 2017 installation, you will see files named dt00.img , dt01.img , etc. These are archive files containing the game's assets (textures, kits, balls, and database files).
Sites like PESPatch or various community forums (e.g., Evo-Web) often host the most stable versions of language CPK files.
This method is used when you are simply adding the missing English language to a standard installation. your PES 2017 installation folder (usually in
: The latest community project to keep PES 2017 relevant with 2026-season updates .