If you cannot legally obtain CC 2015, consider these alternatives:
: If you have a valid subscription, you may be able to request an installer for an older version by contacting Adobe Customer Support directly via online chat. download adobe illustrator cc 2015
This installation will not overwrite newer versions of Illustrator. You can run CC 2015 side-by-side with CC 2024 or 2025 without conflict. If you cannot legally obtain CC 2015, consider