How to Mirror / Cast computer screen to Android / Google smart T V- Without any 3rd party software .
No matter what, now you don't need any kind of software in your Computer e.g. Mira cast etc to screen cast to an Android tv which supports Screen cast option, all you need is microsoft Edge Bowser & a Wifi connection without internet connection ( even a old wifi router/ dongle/ smrtphones hotspot to connect these two devices)