You don't need a patcher because you can get Kontakt 7 for $9.99/month on Splice. After 4 months, you own the license. You cannot find a safer deal than that.
If you need a sampler that allows you to create your own instruments (the main selling point of the full Kontakt) without paying, consider open-source alternatives: kontakt 661 patcher free
Many top-tier developers release "Player-compatible" freebies. These don't require a patcher or the full version of Kontakt: Spitfire Audio: LABS series You don't need a patcher because you can
Here is the reality of those downloads:
Unauthorized software often "phones home." While the patcher blocks the software's ability to verify the license with Native Instruments, it may open backdoors for the cracker to access the user's system or data. kontakt 661 patcher free