C:\Program Files (x86)\Steam\steamapps\common\eFootball PES 2021\download\
Unlike graphical CPKs (stadiums, faces, kits), dt80_300e_x64.cpk primarily holds: dt80-300e-x64.cpk pes 2021
For those looking for the specific game module file for Pro Evolution Soccer 2021, I have uploaded it here. This file is often required for specific patches or updates to function correctly. dt80-300e-x64.cpk pes 2021