Adobe-illustrator-2021-25.4.1.dmg Official

Adobe uses a structured numbering system. Here is what 25.4.1 signifies:

Version 25.4.1 is a critical patch that addressed stability issues from the initial 2021 launch. It is widely considered one of the most stable builds of the Illustrator 2021 cycle. Adobe-Illustrator-2021-25.4.1.dmg

Cause: The quarantine flag set by macOS.
Solution: Open Terminal (Applications > Utilities) and run: Adobe uses a structured numbering system

sudo spctl --master-disable

Then attempt to open the .dmg again. Re-enable after installation. Version 25

Once installed, eject the .dmg from Finder or Disk Utility. Launch Illustrator from the Applications folder or Launchpad.

The installer verifies the digital signature of the .dmg. If you see “Unidentified Developer,” right-click the installer and select Open to bypass Gatekeeper.