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. You can often fix this by opening Terminal and typing sudo xattr -rd com.apple.quarantine /Applications/Adobe\ Illustrator\ CC\ 2018/Adobe\ Illustrator.app . adobe-illustrator-cc-2018-v22-1-0-312-macosx-2-2gb-2022

For many older CC 2018 installers, it is recommended to disconnect from Wi-Fi during the installation process to prevent the installer from forcing a Creative Cloud login. 3. Installation Guide Always ensure your existing design files are backed up

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. For many older CC 2018 installers, it is

If you are using a Mac with an Apple Silicon (M1/M2/M3) chip , this 2018 version is not natively supported. It may run via Rosetta 2, but you will likely experience significant lag or crashes.

Look for a file named Install or Setup . Double-click it to begin.

macOS often blocks apps from "unidentified developers." You may need to go to System Settings > Privacy & Security to allow the installer to run.