If you have a professional license, log in to the TIBCO eDelivery portal. Look for "Service Packs" or "Hotfixes" under the Jaspersoft product category to find the 6.6.0 fix files.
Click and enter the URL for the 6.6.0 update site (refer to the TIBCO documentation for the specific archived URL). download jaspersoft studio 660 fix
While newer versions of Jaspersoft Studio exist, many enterprise environments stick to 6.6.0 because: If you have a professional license, log in