Winning Eleven 2012 (officially known as Pro Evolution Soccer 2012
Internet Archive: A full version labeled as "Pro Evolution Soccer 2012 [RELOADED]" is preserved on Archive.org. This is often the most reliable way to find the original installer files for archival purposes. winning eleven 2012 pc download link
PES 2012 Demo: You can download the trial version from Softonic or Uptodown, which allows you to experience the core gameplay mechanics. Winning Eleven 2012 (officially known as Pro Evolution
If you are looking for a way to play it on PC, here are the current options: Official Trials & Community Archives PES 2012 Demo winning eleven 2012 pc download link