Screen Mirroring on Windows 10:
How to Turn Your PC Into a Wireless Display
1.Swipe in from the right edge of the screen, and then tap Connection.
(If you’re using a mouse, point to the lower-right corner of the screen, move the mouse pointer up, and then click Connection.) or you can type Ctrl + k.
2.It will find all the miracast receiver devices, and then tap or click the device of wireless display you want.