How to run Aperture, iPhoto, and older versions of iTunes on macOS Big Sur

Despite long being abandoned by Apple, it's still possible to launch — and run — apps without 64-bit support like Aperture and older versions of iTunes on both macOS Big Sur and Catalina. Here's how to do it.

macOS Big Sur beta 10
First things first. If your workflow truly relies on Apple's old image organizing tool Aperture, then you should be looking to replace rather than resurrect it. But then Aperture, as much as it had its fans, was dropped five years ago so you've surely moved your work to a new system by now.

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