Retroactive has been discontinued, and does not support macOS Sequoia or later. You should transition from Retroactive to a wide range of supported apps, many of which are built into macOS or free to download.
- Switch to Music, TV, Podcasts, Books, and Finder.
- Install Windows with Parallels Desktop or VMware Fusion, then download iTunes for Windows.
- To archive iPhone and iPad apps, use IPATool, iMazing, Apple Configurator (tutorial), or iTunes 12.6.5.3 for Windows.
- Switch to Photos, Darktable, or RawTherapee.
- Purchase or subscribe to AfterShot Pro, Capture One Pro, Darkroom, DxO PhotoLab, Lightroom, Lightroom Classic, Luminar Neo, or Photomator.
- Export your projects into XML on a compatible Mac. Then import them into DaVinci Resolve, Media Composer, or Premiere Pro. You can also use SendToX to import them into the latest version of Final Cut Pro.