Aperture is reportedly non-functional on macOS Sequoia , even with Retroactive. System Requirements for Aperture 3
Apple Aperture was once the gold standard for professional photo management and non-destructive editing on the Mac. Although Apple officially discontinued development in 2015, the demand for "Apple Aperture software download" remains high among enthusiasts who prefer its unique workflow over modern alternatives like Adobe Lightroom.
Officially, Aperture is no longer available for purchase or new downloads from the Mac App Store. However, there are three primary ways to access the software today:
If you find the technical hurdles of running discontinued software too high, these modern applications are frequently recommended by former Aperture users:
Intel-based Mac (M1/M2/M3 chips require Rosetta and Retroactive) RAM: 4GB minimum (8GB recommended) Storage: 2GB for the application plus library space Modern Alternatives to Aperture
Apple maintains a support download page for Aperture 3.4.5 . Note that this is typically an update installer and requires an existing installation of Aperture 3 to function.
If you are setting up a legacy workstation, these were the final recommended specs: Mac OS X 10.9 Mavericks (or later up to 10.14 Mojave)