What (Mac or Windows) you are currently using?
: You can manage licenses and download authentic installers directly from the Quark Website Support & Documentation : If you own a valid license for an older version, the Quark Support Team quarkxpress 85 2010 key appmulti download link
QuarkXPress 8.5 was the final major iteration before the transition to version 9. What (Mac or Windows) you are currently using