Download a macOS Mojave (10.14) or High Sierra (10.13) installer. Install the older macOS onto the new volume.
Are you trying to run Adobe Illustrator on macOS 10.15 Catalina? Navigating the intersection of older operating systems and Adobe software updates can be tricky. This comprehensive guide covers version compatibility, performance optimization, and how to handle the critical transition to 64-bit architecture. 1. The Catalina Shift: Why Compatibility Matters adobe illustrator macos catalina
: Complex illustrations with many artboards or embedded images open up to twice as fast Background Saving Download a macOS Mojave (10
Third-party vector plugins (such as CADtools or Astute Graphics tools) built for older versions of Illustrator will fail on Catalina if they contain 32-bit code. adobe illustrator macos catalina