Nautilus korg and cubase 12 pro

Hello, i need help to make the vst korg nautilus hooking up to the cubase pro 12
I see the vst but cant play ornrecord midi notes in cubase with the nautilus vst for cubase ,and i also dont see the nautilus in my audio settings ?
I only can play it with a midi and audio chanel together higlited
So i need seetings for the nautillus and cubase 12 pro