Adobe-illustrator-cc-2018-v22-1-0-312-macosx-2-2gb-2022 May 2026

This is usually a macOS security feature. You can often fix this by opening Terminal and typing sudo xattr -rd com.apple.quarantine /Applications/Adobe\ Illustrator\ CC\ 2018/Adobe\ Illustrator.app .

This is common if you have remnants of other Adobe versions. Download the Adobe Creative Cloud Cleaner Tool from the official Adobe site to wipe old files before trying again. adobe-illustrator-cc-2018-v22-1-0-312-macosx-2-2gb-2022

Always ensure your existing design files are backed up. This is usually a macOS security feature

It looks like you’re looking for a guide on how to handle a specific installation package for for macOS. adobe-illustrator-cc-2018-v22-1-0-312-macosx-2-2gb-2022

The file you mentioned is typically a .dmg (Disk Image). Follow these steps: Double-click the .dmg file to open it.