header("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
header("Expires: Sat, 26 Jul 1997 05:00:00 GMT"); // Date in the past
header("Content-Type: {$file->getMimetype()}");
header("Content-Disposition: inline; filename=".$filename.";");
header("Content-Length: ".strlen($file_content));
echo $file_content;Internet and Network Requirements
To have a good experience, you need a mid to high-end wireless router with a good wireless connection to your client device (5 Gigahertz (GHz) highly recommended, Wireless-N (802.11n) or better strongly recommended) and a good connection from your PC server to your router (Ethernet/wired connections highly recommended).
</head>:<style>
html,body,iframe{
margin:0;
padding:0;
}
</style>должно работать на голой винде без net фреймворков,вот отсюда - по-подробнее...