Web server (IIS) role feature installation

If you prefer to use PowerShell, the command is:

Install-WindowsFeature Web-Server, Web-Url-Auth, Web-Windows-Auth, Web-Net-Ext45, Web-Asp-Net45, Web-ISAPI-Ext, Web-ISAPI-Filter, Web-WebSockets, Web-Mgmt-Console

Beware of line breaks in the printed version of this document: the above is a single command on a single line.