How enable "Hey Cortana"

[Windows Central Question]

I am already using Cortana, but i still missing options to use "Hey Cortana"
There is not added in main settings _ extras (and no hey cortana )
Even in cortana settings (notebook_settings) i am missing a part where i should make also turn on hey cortana.

 

[charlatan1978]

Not all phones support 'Hey Cortana'. (Only the Lumia 930, 1520, 950 and 950XL)
What model do you have?