Mac
VST2: /Library/Audio/Plug-ins/VST
VST3: /Library/Audio/Plug-ins/VST3
AU: /Library/Audio/Plug-ins/Components
AAX: /Library/Application Support/Avid/Plug-Ins
Standalone: /Applications/Lunacy Audio
Presets and Settings: Users/{USERNAME}/Library/Application Support/Lunacy Audio/CUBE
Samples: Users/{USERNAME}/Library/Application Support/Lunacy Audio/CUBE/Samples
Windows
VST2: C:\Program Files\VSTPlugIns
VST3: C:\Program Files\Common Files\VST3
AAX: C:\Program Files\Common Files\Avid\Audio\Plug-Ins
Standalone: C:\Program Files\Lunacy Audio\CUBE
Presets and Settings: {USER}\AppData\Roaming\Lunacy Audio\CUBE
Samples: {USER}\AppData\Roaming\Lunacy Audio\CUBE\Samples