How to Install Native Flute on Windows
Install the Native Flute files into your VST folder manually. This video shows how.
How to Install on Windows
No Presets In Plugin
If you run Native Flute and only see the message "Couldnt find any instruments" in the plugin, the presets are probably still inside your download folder (folder called #PRESETS)
Select Choose Folder and select the Native Flute Presets folder.