Open NeuRig from Applications. The License window opens automatically. Connect your Rig Kontrol 3 and choose Start 7-day Trial, or activate your purchased license.
Start a free 7-day MIDI trial in NeuRig; internet is required once to start it. No card or automatic charge. After expiry, MIDI stops and NeuRig offers the purchase page. Presets and exports are preserved.
An online one-time purchase unlocks NeuRig 1.x on up to two Macs. Activated Macs work offline. Deactivate an old Mac to free a slot.
Rig Kontrol 3 audio input/output is not included.