The file name Adobe-Illustrator-2021-25.4.1.dmg is the standard apple disk image installer for Adobe Illustrator version 25.4.1. Released in mid-2021, this update focused heavily on performance optimization, document cloud integration, and fixing critical bugs found in earlier 25.x versions.
Elias dragged the icon into his Applications folder. The copy dialogue box appeared.
Illustrator began automatically detecting missing fonts in a document and activating them via Adobe Fonts Adobe-Illustrator-2021-25.4.1.dmg
This was a very common complaint with v25.4.1. Try disabling by going to Preferences > Performance and unchecking GPU Performance . This often resolves issues like color oversaturation and interface lag. The ultimate fix, however, is to upgrade.
: Go to System Preferences > Security & Privacy > General and click Open Anyway . Installation Error 21 The file name Adobe-Illustrator-2021-25
In the panel on the right, use the Presets dropdown to select a standard paper size, or manually enter the Width (W) and Height (H) .
If you are running a modern Mac and can accommodate newer hardware requirements, upgrading to the latest Illustrator version is strongly recommended. However, if you are constrained by – which does not support newer Illustrator releases – then 25.4.1 may be your last compatible version. The copy dialogue box appeared
Choose your preferred language and installation path.
While Illustrator 25.4.1 was released before full native Apple Silicon optimisation was complete, it could still run on M1 Macs via Rosetta 2 emulation. However, some community reports suggest that version 25.4.1 had limited compatibility with M1 systems at the time. For the best experience on modern Apple Silicon hardware, later versions (25.4.2 and beyond) introduced native M1 support with significant speed improvements. If you are using an M1 or M2 Mac today, consider updating to a newer version that fully supports Apple Silicon. As Adobe has stated, “Illustrator now runs natively on Apple computers using the Apple silicon M1 chip with 1.5X the speed of similarly configured previous generation systems” in subsequent updates.
While 25.4.1 is a stable and reliable release for macOS, it is . Adobe has released numerous updates since 2021, including:
: Tools for creating point type, area type, and Type on a Path with more refined snapping.