Community-maintained archives like Archive.org may contain original update installers, but these are not officially verified by Adobe and should be used with caution. Important Safety Warning
Bottom line
Check the Adobe FTP site or Help Center for genuine updates. Adobe Illustrator CS6 16.0.0 -32-64 Bit- Updated Patch
While version 16.0.0 was the base release, Adobe issued several official patches to improve stability and security. Community-maintained archives like Archive