(such as version 24.x), as these are known to be compatible with macOS 10.15. on the older version. Key Constraints to Keep in Mind 34-Bit Support:
The software is registered with Apple’s security servers, preventing "unidentified developer" blocks during installation.
Look for in the available list and click install. The installer will automatically configure the app for your system. Common Issues and Fixes on Catalina
If you require CS6 or older, the most stable solution is to downgrade your operating system to , which was the last macOS to support 32-bit applications. C. Use Virtualization
✅ Confirm you are on Illustrator 2023 (27.9) – not 2024 or newer. ✅ Permissions: Grant Full Disk Access to Illustrator in Security & Privacy. ✅ Fonts: Run Font Book’s validation and remove any red or yellow fonts. ✅ GPU Preview: Disable GPU Performance (Preferences > Performance) if you see artifact glitches. ✅ Auto-Save: Set auto-save interval to 5 minutes (Catalina crashes can be sudden). ✅ Backup: Time Machine backup your entire system – downgrading from Catalina is painful without it.
Solution: Go to and ensure Illustrator has the necessary permissions.
: Some users have successfully launched CS6 by right-clicking the app > Show Package Contents
: Current versions, such as Illustrator 2024 or 2025, typically require macOS 11 Big Sur or later.
Illustrator 2020 (24.0.1) crashing on macOS Catalina | Community
Running Adobe Illustrator on macOS Catalina: Compatibility, Performance, and Alternatives




