The official migration path from SQL Anywhere 11 is to SQL Anywhere 16.x (or newer), as noted in SAP's end-of-life notification. While the migration may require a full database rebuild ( dbunload / dbinit ), the long-term benefits include active security support, new features, and compliance with modern standards.
Once you have obtained the installer via one of the legitimate routes above, the installation process is straightforward. The official documentation from the Sybase Infocenter provides clear guidance. Sybase Sql Anywhere 11 Download-
Because of this, older versions like v11 have been shuffled around various support portals over the years. If you are looking for the specific "Sybase" branded version 11, you are looking for software that has been sunset for quite some time. The official migration path from SQL Anywhere 11