The following Windows features /IIS Settings need to be enabled/installed on the machine by an adminstrator before installing Statistica Enterprise Server. Note that on newer version of Windows the below roles and features are listed under Web Server(IIS)
1. Internet Information Services>> Web Management Tools>> IIS 6 Management Compatibility >> IIS Metadatabase and IIS 6 configuration compatibility
2. Internet Information Services >> Web Management Tools >> IIS 6 Management Compatibility >> IIS Management Console
3. Internet Information Services >> Web Management Tools >> IIS Management Service
4. Internet Information Services >> World Wide Web Services>> Application Development Features >> .NET Extensibilty (For Newer version of Windows, .Net Extensibility 3.5 and .Net Extensibility 4.6)
5. Internet Information Services >> World Wide Web Services >> Application Development Features >> ASP.NET (For Newer version of Windows, ASP.Net 3.5 and ASP.Net 4.6)
6. Internet Information Services >> World Wide Web Services >> Application Development Features >> CGI
7. Internet Information Services >> World Wide Web Services >>Application Development Features >> ISAPI Extensions
8. Internet Information Services >> World Wide Web Services >> Application Development Features >> ISAPI Filters
9. Internet Information Services >> World Wide Web Services >> Security >> Request Filtering
10. Internet Information Services >> World Wide Web Services >> Security >> Windows Authentication
To enable the above windows features,
On Windows 7, launch Control Panel | Programs and Features |Turn Windows Feature On or Off as shown below

On Windows Server 2008 and Windows Server 2012/2016, launch Control Panel | Administrative Tools | Server Manager and look for the Web Server (IIS) under Roles in tree view and install the roles mentioned above. After all the roles are installed, the server manager's IIS roles should like the below screenshot. See below for SQL Server 2016

