Because this is an older patcher architecture, you might hit a few snags:
Most producers stick to stock libraries. The Patcher is for the tinkerers. Here is why you should open up the hood: kontakt 661 patcher
Resources:
The Kontakt 661 Patcher is a community-developed tool designed to enable unauthorized versions of Native Instruments’ Kontakt 6.6.1 sampler to run in full (unlocked) mode without requiring a legitimate serial number or activation through Native Access. Because this is an older patcher architecture, you
It emerged following changes Native Instruments made to their copy protection and library authentication systems around version 6.5+. The patcher modifies specific code paths in the Kontakt executable and/or related .dll/.vst3 files to bypass online checks and local license validation. Basic structure:
Important Note: This write-up is for educational and archival purposes only. Using cracked software or patches violates Native Instruments’ EULA and may expose your system to security risks.
If you truly hate DRM, abandon Kontakt entirely. Use Decent Sampler (free, open source) or HISE (open source framework). Thousands of professional free libraries exist for these platforms, and they require no patching.