If you have a legitimate license from NI (via Komplete 8 or Komplete 9), here is the optimal installation workflow:
Kontakt 5.1.0 introduces Time Machine Pro , a next-generation sample stretching engine that builds on the original Time Machine algorithm. It delivers pristine, artifact-free pitch shifting and time stretching directly within the sampler’s mapping editor. Native Instruments Kontakt 5 v5.1.0
: Modern library management requires Native Access to locate and authorize content. If you have a legitimate license from NI