If you already have the game and want to update it, many players use to download "Player DNA" or custom rosters. You can find these by navigating to the "Download 2K Share" menu in-game and searching for the "top-rated" or "newest" uploads.
: Use the search bar on ApunKaGames to find the NBA 2K12 page. download-nba-2k12-apun-kagames-exe
For a visual walkthrough of the general downloading process from the site mentioned: If you already have the game and want
: Scroll to the bottom of the post and click the "Click Here to Download This Game" button. download-nba-2k12-apun-kagames-exe