Yafaray Render not showing on when clicked Render

[qewer3322]

Answering the question:
I have minimal knowledge about CAD softwares like Wings3d (I have only used Tinkercad before wings) and absolouetely none about YafaRay. I'm kind of a noob at this. I have checked some of oort's threads. I tried to do some research before asking questions here but since Wings3d has a small community, I haven't found many helpful stuff for beginners.

And I have only designed parametric stuff before so with W3d, I'm also trying to get into modelling simple organic shapes.

Thank you guys so much for helping!