Double-click the downloaded .dmg file. A new Finder window will appear containing the installer.
Before diving into the installation steps, let’s clarify why version 2020 is still in high demand.
Navigate to Contents > MacOS and double-click the Unix executable named Install . This bypasses the "The installer could not be verified" error. install adobe illustrator cc 2020 on mac pre exclusive
Open Terminal and type:
Download the Adobe Creative Cloud Cleaner Tool to remove traces of old installations. Double-click the downloaded
The progress bar will indicate the installation status. Once finished, you will see a "Placement Successful" message. Step 4: Applying the "Pre-Exclusive" Configuration
As of 2026, it is crucial to note that Adobe officially supports only the two most recent major versions of Creative Cloud software. While Adobe Illustrator 2020 may continue to function if already installed, it is no longer available for direct, fresh installation through the Adobe Creative Cloud desktop app, and support is deprecated. Navigate to Contents > MacOS and double-click the
Before downloading and installing, ensure your Mac meets the minimum system requirements to run the software smoothly.
The biggest mistake users make when trying to install an exclusive offline version is letting Adobe’s background services interfere. Follow this cleaning routine exactly.
The installation sequence typically takes between 5 to 15 minutes, depending on your Mac's hardware specifications and drive speed. Ensure your computer remains powered on and does not enter sleep mode during this process. A confirmation window will appear once deployment completes successfully. 4. Post-Installation Configuration and Permissions