| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 5495677 | 90.3 % | ||
 | Windows XP | 4720819 | 77.6 % |  |
 | Windows NT | 52622 | 0.8 % | |
 | Windows Me | 31872 | 0.5 % | |
 | Windows Vista (Longhorn) | 3056 | 0 % | |
 | Windows CE | 1028 | 0 % | |
 | Windows 98 | 95941 | 1.5 % | |
 | Windows 95 | 3779 | 0 % | |
 | Windows 2003 | 20029 | 0.3 % | |
 | Windows 2000 | 566529 | 9.3 % | |
 | Windows 3.xx | 2 | 0 % | |
| BSD | 503 | 0 % | ||
 | OpenBSD | 23 | 0 % | |
 | NetBSD | 1 | 0 % | |
 | FreeBSD | 479 | 0 % | |
| Linux | 36270 | 0.5 % | ||
 | Ubuntu | 1806 | 0 % | |
 | Suse | 516 | 0 % | |
 | Red Hat | 378 | 0 % | |
 | Mandriva (or Mandrake) | 596 | 0 % | |
 | Fedora | 1996 | 0 % | |
 | Debian | 1952 | 0 % | |
 | Centos | 200 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 28826 | 0.4 % | |
| Macintosh | 250284 | 4.1 % | ||
 | Mac OS X | 227963 | 3.7 % | |
 | Mac OS | 22321 | 0.3 % | |
| Others | 300333 | 4.9 % | ||
 | Unknown | 285440 | 4.6 % | |
 | Aix | 13789 | 0.2 % | |
 | WebTV | 728 | 0 % | |
 | Sun Solaris | 200 | 0 % | |
 | Sony PlayStation Portable | 120 | 0 % | |
 | Symbian OS | 32 | 0 % | |
 | Unknown Unix system | 9 | 0 % | |
 | Irix | 6 | 0 % | |
 | CPM | 5 | 0 % | |
 | AmigaOS | 3 | 0 % | |
 | VMS | 1 | 0 % | |