231 Views 1 Reply Latest reply: Dec 13, 2012 11:59 AM by léonie
How did you buy Aperture originally?
- If you bought the boxed retail version, use your original install DVDs/CDs to reinstall it.
- If you bought a serial number online, to unlock the Trial version, download the trial again, see this link: Aperture 3.1 Trial.
- If you bought from the App Store, sign into the Appstore with your Apple ID.
This support article describes in detail, how to reinstall: