This specific filename strongly suggests it is a or "Repack" version—modified software often found on unofficial internet archives. Unlike the official Adobe Creative Cloud version, a "Portable" version is altered to run without installation.
: Legacy versions like 25.4.1 are no longer the primary focus for security patches. Adobe has released multiple updates since then to resolve critical vulnerabilities, including those that could lead to arbitrary code execution adobeillustrator20212541dmg portable
: Supported on macOS 10.14 (Mojave), 10.15 (Catalina), and 11.0 (Big Sur). Hardware Requirements : This specific filename strongly suggests it is a
