IIS is compatible with Windows NT family and plethora of other services like HTTP, HTTP/2, HTTPS, FTP, FTPS, SMTP and NNTP. It is nothing but an extensive webserver developed by Microsoft Corporation. IIS was previously known as Internet Information Server. If you are planning to build a website or web application using ASP.NET, then you may want to install Internet Information Services(IIS) on your local machine for development and testing purpose.
