Cfd with butterfly

Hey.
I faced by basic problem in simulation with butterfly plugin. When I drag block mesh box and wanna to set toggle true, this error appear “block mesh is not recognized as an internal or external command, operable program or batch file”
So can you help me that what should I do in continue?

Hi @Negul, you need install blueCFD 2017-1 version first.

Thank u buddy for ur help