Start with a fresh installation of PES 2012 (v1.0).

Install the original PESEdit 4.1 first, as most "fixes" are built on top of its folder structure.

High-definition face scans for modern stars who weren't in the original 2012 game. Installation Best Practices

Updated squads for the 2022/2023 season (e.g., Haaland at Man City, Lewandowski at Barcelona).

If you are looking for this specific patch "plus fix," it generally provides:

Always run an antivirus scan on .exe or .dll files included in these fan-made updates.