How to enable windows authentication .net core project

 Go to "launchSettings.json" file as below image:

Then changes below two things in "launchSettings.json" file 

{

  "iisSettings": {

    "windowsAuthentication": true,

    "anonymousAuthentication": false,

    "iisExpress": {

      "applicationUrl": "http://localhost:26887",

      "sslPort": 0

    }

  }

}