Curic Sun extension

I saw this extension which seems to be very handy (Curic Sun), but I went to the Curic website and I cannot find it.
Can someone tell me where to get it?

Thank you.

https://extensions.sketchup.com/extension/49b56362-ada6-4bde-8213-8c68eb7763d1/curic-sun

Thanks a lot Eric

How to add the curic sun file in the sketch up?

Please up date your profile with the correct details. sd in not a good answer.
With a model open, go to the extension warehouse, search for the extension, when found click the install button.