You must install the IIS site on a Windows server running IIS7(with ASP.NET) or above.
Accept the Licence
Database Configuration (v4 only)
Select the SQL server and the configuration database will be created/updated.
Select the web-server in IIS and the virtual directory the application will be installed in.
Select the folder where the website files will be installed.
Once the installation have finished the Configuration site can be opened using the url: