How to Download the Apple Aperture 3.x Trial
If you purchased Aperture before it was integrated into AppStore and are having trouble installing it on a new machine or re-installing it, you can download the Aperture 3.1 trial from Apple here. You’ll still need your Aperture activation key to use the software.
Since the Apple Maverick’s upgrade, this post has received more than 16,000 visitors. You can read a bit more about Apple’s decision to upgrade all versions of Aperture, even pirated copies, here and here.