If you downloaded a community roster patch, copy the EDIT.bin file provided by the modders and paste it into your Konami save directory, usually located at: C:\Users\[Your Username]\Documents\KONAMI\Pro Evolution Soccer 2012\save Troubleshooting Modern PC Compatibility Issues
Winning Eleven 2012 PC Download: Relive the Classic Football Experience winning eleven 2012 pc download link
Because this game is no longer sold officially by Konami, finding a "Winning Eleven 2012 PC download link" requires searching legacy gaming sites, abandonware sites, or community-driven forums that archive classic PC titles. If you downloaded a community roster patch, copy the EDIT