Adobe-illustrator-cc-2018-v22-1-0-312-macosx-2-2gb-2022 🎁
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.
Before starting, ensure your Mac can run this specific version: 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. This is common if you have remnants of other Adobe versions