Searching for "Adobe Illustrator 2021 25.4.1 DMG Portable" typically leads to third-party hosting sites rather than official Adobe sources. While this specific version exists in Adobe's release history, the "portable" DMG format is not an officially supported distribution method by Understanding the Software Version
The portable version of Adobe Illustrator 2021 allows users to run the software without installation, making it convenient for use on multiple devices or in situations where software installation is restricted. adobeillustrator20212541dmg portable
Adobe Illustrator is a specific legacy version of the industry-standard vector graphics software. A "portable" version in a .dmg format typically refers to a modified, standalone version designed to run on macOS without a traditional installation process. Key Technical Specifications (v25.4.1) Searching for "Adobe Illustrator 2021 25