HT4007: Aperture 3: Frequently Asked Questions (FAQ)Learn about Aperture 3: Frequently Asked Questions (FAQ)
Currently Being ModeratedJan 10, 2013 2:37 PM (in response to Ron2002)
The purchase won't carry over to the Mac App Store; if you want it from there, you'll need to buy it again.
Currently Being ModeratedJan 10, 2013 2:43 PM (in response to Ron2002)
If you have the serial number for the version you are running (and if it is running on your laptop then you can retrieve the serial number by going to Aperture->About Aperture) You can download Aperture 3 from here Aperture 3.1 Trial
You will need to run software update once you've loaded this to bring it up to date.