Adobe Illustrator Macos Catalina -

Can't Install Illustrator on macOS Catalina - Adobe Community

Catalina introduced enhanced security checks: apps and plugins needed to be to run without warnings or blocks. Suddenly, installing a custom Illustrator script or an extension from a small foundry triggered a “cannot be opened because Apple cannot check it for malicious software” dialog. adobe illustrator macos catalina

If you are on a modern Creative Cloud subscription, moving to Catalina is generally safe and offers better security. Can't Install Illustrator on macOS Catalina - Adobe

is about compatibility. Since macOS Catalina (10.15) is an older operating system, newer versions of Illustrator (like the 2024/2025 releases) generally require macOS 11 or later and will not install. adobe illustrator macos catalina