Adobe Illustrator 28.6 is a specific version number in Adobe’s 2024–2025 release cycle (version 28 is part of the Creative Cloud 2024 suite).
Key features in Illustrator 28.6 include: Illustrator 28.6 -Monter Group-.dmg
Official distribution method: Illustrator 28.6 is distributed exclusively via Adobe Creative Cloud desktop app. No legitimate standalone .dmg of this version should exist outside direct download from Adobe’s servers. Adobe Illustrator 28
The design industry is currently moving toward Illustrator 2025 (v29.x) and 2026 (v30.x). However, legacy software has a dedicated use case. Official distribution method: Illustrator 28
If you have already mounted the .dmg and possibly installed its contents:
Because the binary has been modified and re-signed (or unsigned), the user has no guarantee that the Monter Group only removed the licensing check.