The process of installing a PKG file on a jailbroken PS3 follows a standard procedure:
Select ➔ Install Package Files ➔ Standard . pes 2020 ps3 pkg link
To help find the exact variant you need, could you share the of your console or original game ( BLES for Europe, BLUS for Americas )? I can also provide instructions on how to split large files if you are running into the 4GB FAT32 limitation. Share public link The process of installing a PKG file on