This is the primary source for licensed users. You can find the installation packages by navigating to Support Packages & Patches > Alphabetical Index (A-Z) > S > SYBASE IQ > SYBASE IQ 16.1 .
Before starting the download, ensure your environment meets the minimum requirements: sybase iq 161 download full
Support Package 05 (SP 05) introduced the ability to backup and restore individual tables rather than the entire database. This is the primary source for licensed users
For those looking for a free, non-production version, the Express Edition provides a version that does not expire but has limitations on database size and features. sybase iq 161 download full
Sybase IQ 16.1 (SAP IQ): Complete Download and Installation Guide