If Retroactive can’t locate an existing install, you’ll either be asked to download it from the Purchased list in App Store, or re-install it from a DVD disc. If Retroactive has already located the app you would like to run, skip to the next section. Retroactive will automatically scan your Mac to locate an existing Aperture, iPhoto, Final Cut Pro 7, Logic Pro 9, Xcode 11.7, or iWork ’09 install. I’ll use Aperture as the example, but the same process also works for iPhoto, iTunes, Final Cut Pro 7, Logic Pro 9, Xcode 11.7, and iWork ’09. On macOS Mojave and macOS High Sierra, Retroactive can also unlock Final Cut Pro 7, Logic Pro 9 (experimental), Xcode 11.7 (requires macOS Mojave), and fix iWork ’09. You will always be able to get back to this screen later. If you want to run multiple apps from here, pick any one of them. On macOS Ventura, macOS Monterey, macOS Big Sur, and macOS Catalina, Retroactive can unlock Aperture and iPhoto, or install iTunes. Retroactive is open source, so you can always examine its source code to make sure it’s safe. This alert only shows up because Retroactive is not notarized. If Retroactive still can’t be opened, check your GateKeeper settings under the General tab in System Preferences > Security & Privacy.

If you right-clicked when opening Retroactive for the first time, you need to right-click for a second time.

To open Retroactive, right-click on the Retroactive app in Finder, and click “Open” as shown below. macOS may prompt you “Retroactive cannot be opened because it is from an unidentified developer.” This is completely normal and expected. Final Cut Pro 7, Logic Pro 9, and iWork ’09 on macOS Mojave or macOS High Sierra.Īfter downloading Retroactive, double click to open it. Run Aperture, iPhoto, and iTunes on macOS Ventura, macOS Monterey, macOS Big Sur, and macOS Catalina.

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