Aperture and iPhoto don't work in macOS 10.15 Catalina, and iTunes has been completely replaced. But, there is a solution with the Retroactive app. The release of macOS 10.15. A free tool from developer Tyshawn Cormier called Retroactive aims to fix the situation by allowing Aperture, iPhoto, and iTunes to run in macOS Catalina. Following a relatively short process, the app can be used to modify each piece of software to make it compatible with Catalina, with each conversion taking between 10 minutes to an hour to. If you upgraded to Catalina, you can't; instead use Photos. Otherwise, put it somewhere where Spotlight won't see it, log into the Mac App Store with an Apple ID previously used to download it, and get it from the Purchases tab. Solution 1: Migrate to the Photos app that comes with Catalina. IPhoto does not work starting with Catalina and there is no chance it will work in any future macOS updates. Therefore, your best solution is to get your photos migrated to the new replacement app you have on your Mac. The new Photos app lets you easily import your photos from iPhoto.
Maybe also an old version of iTunes
Hey, have you upgraded from macOS Mohave to one of the newer OSes, like Catalina or Big Sur? In that case, some of your apps might have stopped working. For example, Microsoft Office 2011 for Mac, iPhoto, Aperture, and old versions of Adobe Photoshop stop launching, with a dialog box something like this:
However the dialog box for your app looks, the message is clear: the app won’t run. And the reason is incredibly simple: macOS Catalina drops 32-bit support. Big Sur, being released after Catalina, naturally doesn’t support it either. For the user, what this means is older apps don’t run. However, iPhoto and Aperture, being 64-bit apps with some 32-bit code, can be patched to run on Catalina & Big Sur. Here’s how.
Somebody has taken the trouble to create an app named Retroactive which patches iPhoto and Aperture to run on macOS Catalina and Big Sur. While we only tested it on Catalina, others have tested it on Big Sur and it works perfectly there too. The app itself is pretty self-explanatory. Here’s a direct download link. Unzip the zip and right-click the Retroactive app. Click open. It will ask you to confirm your decision. Click Open. Now, if you have installed iPhoto or Aperture, you can click on the Unlock button for that app to make the app run again on Catalina. Also, you can click the iTunes button in order to install iTunes rather than Catalina’s Music, Podcasts, and TV apps. For reference, here’s iPhoto running on my Catalina test device:
Iphoto Update For Mac Catalina
That’s it.