Adobe Zii is a notorious crack tool. It is frequently flagged for malware. Additionally, macOS Catalina and later block these patches with Gatekeeper and notarization requirements. Avoid at all costs.
Illustrator depends on shared Adobe libraries (Core Sync, Creative Cloud Desktop, Adobe IPC Broker). Removing them from the host environment causes immediate failure. adobeillustrator20212541dmg portable
: "Portable" DMGs found on third-party sites are frequently bundled with malware or trackers. Official Adobe software is only distributed via the Creative Cloud Desktop app Performance Issues Adobe Zii is a notorious crack tool
The file you are referring to, likely refers to a third-party modification of Adobe Illustrator 2021 (v25.4.1) . It is important to note that Adobe does not officially produce "portable" versions of its software. Version 25.4.1 Key Features Creative Cloud Desktop