To find the latest links (as these files get taken down by Konami often), check these forums:
This isn't just a roster update. This is a complete forensic restoration of the game. Modders (shout out to the crews at PES-Patch and Evo-Web) have stripped down the 2011 code and rebuilt it with the 2023/24 season in mind. pes 2011 patch 2023
Enter the modding community.