publish asp.net core mvc on local iis on windows 10

hi

i want to publish my web on local iis 10 on windows 10 with visual studio 2015 .

i published it on  folder:"C:\inetpub\wwwroot" and when i use url: "localhost:5000" in my browser all of things is oky and my web come up without any problems.

but i don't want to use url: "localhost:5000" .i want to use url: "localhost" without any ports?

when i use url:"localhost" in my browser i get error "Oops. 500 Internal Server Error"!!!!