Codice PHP:
$file "folder/file.exe";

header("Pragma: public");
header("Expires: 0");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Cache-Control: private",false);
header("Content-Type: application/force-download");
header("Content-Disposition: attachment; filename=\"$file\";" );
header("Content-Transfer-Encoding: binary");
header("Content-Length: ".filesize("$file"));
readfile("$file") or die("File not found!");
exit();