While there is no single "official" KONAMI update for Pro Evolution Soccer 2012
If you want, I can:
Subtle AI tweaks to make international matches feel more strategic. How to Install the PES 2012 National Teams Patch pes 2012 all national teams patch exclusive
Launch the game and enjoy the revamped international experience. The Verdict: Is it Worth It? While there is no single "official" KONAMI update