Kontakt 6.6.1 is a maintenance update to Native Instruments' flagship sampler plugin. Released in early 2021, this version sits comfortably between the major 6.0 overhaul and the later 6.7/7.0 releases. It is widely regarded as one of the most stable and efficient builds in the Kontakt 6 lifecycle.
You cannot legally run Kontakt 6.6.1 as "Full" without a license. However, you can download: kontakt 6.6.1 download
This version includes a standalone application designed to streamline the workflow for library creators, featuring a Debugger and a Project Panel. KSP Enhancements: Kontakt 6