Latest version of PostgreSQL 8.2, don't use newer versions of PostgreSQL because PokerAce, if you are using it, doesn't work well with 8.3 and PT2 doesn't support 8.4 or greater...
http://wwwmaster.postgresql.org/downloa ... 2.15-1.zipSee here for install directions of PostgreSQL (ignore the link to download, that's an old version of 8.2, just follow the directions after that point where it talks about extracting the files from the ZIP file and then installing)...
http://www.pokertracker.com/products/PT ... nstallSQL2After you install it, you need to open the Utilities > PostgreSQL Settings window and set that up. Click the help link at the top right corner of that window for more direction on configuring that window.