The .dmg (Disk Image) format is native to macOS. If you have Illustrator 28.6 -Monter Group-.dmg, it is strictly a Mac installer. Windows users will find .exe or .msi equivalents.
Users who successfully install this specific build often report two errors: Illustrator 28.6 -Monter Group-.dmg
Error 1: "The operation couldn’t be completed. (com.adobe.ErrorMap error 5016.)" Error 2: "This DMG is damaged
Error 2: "This DMG is damaged. Move to Trash." Illustrator 28.6 -Monter Group-.dmg
To check if your Illustrator 28.6 -Monter Group-.dmg is legitimate without installing it: