Original forums like PES-Patch.com and Evo-Web have deleted many 2014 files. To find a working link today:
The 2014-2015 patch for PES 2013 had a significant impact on the gaming community. The patch breathed new life into the game, attracting both new and returning players. The updated rosters and gameplay enhancements made the game more enjoyable and challenging, which led to a resurgence in online multiplayer matches and tournaments. Pes 2013 Patch 2014 15
The Pes 2013 Patch 2014 15 received generally positive feedback from the Pro Evolution Soccer community. Players praised the patch for its comprehensive updates, which breathed new life into the aging game. However, some users reported minor issues, such as compatibility problems with other mods or slight graphical glitches. Title: The Evolution of a Legend: The Significance
The result was a Frankenstein's monster of digital labor. If you downloaded the full patch, the splash screen still said "PES 2013," but the rest of the game was a phantom sequel. You had the World Cup 2014 ad boards, the new Champions League ball, and the correct tactical formations for Louis van Gaal’s Manchester United. The updated rosters and gameplay enhancements made the
Execute the patch's Installer.exe as an administrator.