2 views to show on youtube my game-play

hi.
i finish my game: click here video
just to know how can i show on youtube my GamePlay
but 2 views like the picture below. ( i use unity5.1 )

View attachment 161383

i have the software to record video on my screen, but how to do this, then people
see the 3D stereoscopy, to apreciate better my game play view.
please any idea ?

thanks a lot.