c:\php にPHPを入れている場合
%windir%\system32\inetsrv\appcmd set config /section:system.webServer/fastCGI /+[fullPath='c:\php\php-cgi.exe'] %windir%\system32\inetsrv\appcmd set config /section:system.webServer/handlers /+[name='PHP-FastCGI',path='*.php',verb='*',modules='FastCgiModule',scriptProcessor='c:\php\php-cgi.exe',resourceType='Either']