It was placed in announcements because its the section closest to the top, I did this to support noobs who somehow seem to be unable to find forum sections.
Here is the newest version of NZP as of now:
Psp Version: http://www.gamefront.com/files/20379468/nzpPSP-1.1-5-29-11.zip
Windows Version: http://www.gamefront.com/files/20378939/nzpPC-1.1-5-29-11.zip
Mac Version: http://www.gamefront.com/files/files/21650624/Nazi_Zombies_Portable.zip
Enjoy, and if you have any questions feel free to ask me. Or check the forums.