Hacking Aperture

How to make Aperture run on unsupported platforms. You may regret it.

macosxhints - Run Aperture on a 12" PowerBook

or

1. Use a package opener to bypass installer.
2. Open the .app package once you have it installed, and get to the Info.plist and open it. Apple stores the minimum requirements there. Like RAM for example, change 1000 to 1 or whatever you want less than what you have.

or

http://macslash.org/article.pl?sid=05/12/12/1542247

or

http://dsiska.wz.cz/blog/?postid=37