If you have a compatible Creative Cloud subscription, follow these steps:
Even with a compatible version (2020–2023), macOS Catalina introduces unique bugs. Here is the troubleshooting hall of fame: adobe illustrator macos catalina
For designers using Adobe Illustrator, this update was a major event. While Adobe has since moved on to newer macOS versions (Ventura, Sonoma, and Sequoia), millions of users remain on Catalina due to hardware limitations or legacy workflow requirements. If you have a compatible Creative Cloud subscription,
: Minimum 1024MB VRAM (2GB recommended) with Metal support. adobe illustrator macos catalina