QuarkXPress 10.5 is a free update for QuarkXPress 10 that further improves quality and stability. This update adds official support for OS X Yosemite. If you are on OS X Lion, please do not install this update. This update is not compatible with Quark Publishing Platform 10.2.
Note: The Auto Updater on Mac OS will not recognize this update. You have to manually download and run the installer to update.