To clear things up, . Konami ended official support for the PS3 with Pro Evolution Soccer 2018 .
Any "PES 2020 PS3 PKG" files found online are unofficial fan-made mods. These are typically heavily modified versions of PES 2018 that use custom data packs to update kits, rosters, and graphics to resemble the 2020 season. Important Considerations for Modded PKGs pes 2020 ps3 pkg link
Select and install the package parts sequentially (Part 1, Part 2, etc.). Step 3: Apply the Roster Save Data To clear things up,