FastCGI module is disabled in default installation of IIS.
In the Windows Start Menu choose "Run:", type "CompMgmtLauncher" and click "Ok";
If the "Web Server (IIS)" role is not present under the "Roles" node, then add it by clicking "Add Roles";
If the "Web Server (IIS)" role is present, then click "Add Role Services" and then enable the "CGI" checkbox under "Application Development" group;
Click "Next" and then "Install" and wait for the installation to complete.