Ethical responsibility: Even if I mention the existence of torrent sites or other unofficial sources, I should make it clear that this is not legal and I won't provide any links. Instead, encourage people to support the developers by purchasing the game.
If you're interested in learning more about the game, I can provide you with some general information. Pro Evolution Soccer 2012 was released in 2011 and features improved gameplay, graphics, and new teams. The game received generally positive reviews from critics and players alike.
: GeForce 7900 or Radeon HD 2400 for smoother visuals.
Since the game is "abandonware" (no longer supported or sold by the developer), you can typically find it on historical software sites: