Warning: Softube plugins are CPU intensive. Running three instances of "Harmonics" via NKS inside Maschine can tax an older laptop. Freeze frequently.
You installed the AU or AAX version only. Fix: NKS requires VST3 (on Windows) or VST3 / AU (on Mac, though VST3 is safer). Re-run the Softube installer and explicitly check the VST3 option. softube nks
These creative modulation tools benefit immensely from NKS. You can twist parameters in real-time to create risers and sweeps, something that feels laggy with a mouse. Warning: Softube plugins are CPU intensive