IIS

 Turn Windows Features on or off:

1.World Wide Web Services

=>Application Development Features:

1.Net Extensibility 4.7

ASp

ASP.Net 4.7

ISAPI Extensions

ISAPI Filters

Server-Side Includes

=>Common HTTP Features:

Select All except WevDAV Publishing 

=>Health and Diagnostics:

HTTP Logging

Tracing

=>Performance Features

Select All

=>Security

Select only one - Request Filtering

If u get this type of error then

HTTP Error 500.19 - Internal Server Error

The requested page cannot be accessed because the related configuration data for the page is invalid.

Click on website and select Edit Permissions

Select Security -Systems Selecy all Allow

Click on Add and select Advance then click on find now 

select IIS USER and IUSER Click on OK,OK,OK