Develop Site in LocalHost.

Visual Studio bydefault hosts your site on IIS express.

if you want to host your site on IIS Server then follow the steps shown in this article

https://www.sharpencode.com/article/WebApi/authentication-authorization/enabling-windows-authentication

start reading the article from

for .net core install necessary runtime

https://docs.microsoft.com/en-us/aspnet/core/tutorials/publish-to-iis?view=aspnetcore-5.0&tabs=visual-studio

follow these steps

https://stackify.com/how-to-deploy-asp-net-core-to-iis/