| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 3034471 | 66.5 % | ||
 | Windows XP | 281252 | 6.1 % |  |
 | Windows NT | 2447625 | 53.6 % | |
 | Windows Me | 45 | 0 % | |
 | Windows Vista | 295460 | 6.4 % | |
 | Windows CE | 1723 | 0 % | |
 | Windows 98 | 453 | 0 % | |
 | Windows 95 | 38 | 0 % | |
 | Windows 2003 | 1661 | 0 % | |
 | Windows 2000 | 6210 | 0.1 % | |
 | Windows 3.xx | 4 | 0 % | |
| BSD | 113 | 0 % | ||
 | OpenBSD | 92 | 0 % | |
 | NetBSD | 1 | 0 % | |
 | FreeBSD | 20 | 0 % | |
| Linux | 249377 | 5.4 % | ||
 | Ubuntu | 6540 | 0.1 % | |
 | Suse | 564 | 0 % | |
 | Red Hat | 23 | 0 % | |
 | Mandriva (or Mandrake) | 2 | 0 % | |
 | Fedora | 53 | 0 % | |
 | Debian | 71 | 0 % | |
 | Centos | 100 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 242024 | 5.3 % | |
| Macintosh | 1119873 | 24.5 % | ||
 | Mac OS X | 1119847 | 24.5 % | |
 | Mac OS | 26 | 0 % | |
| Others | 156648 | 3.4 % | ||
 | Unknown | 154832 | 3.3 % | |
 | Unknown Unix system | 1034 | 0 % | |
 | OS/2 | 256 | 0 % | |
 | Sun Solaris | 249 | 0 % | |
 | Symbian OS | 239 | 0 % | |
 | Sony PlayStation Portable | 36 | 0 % | |
 | WebTV | 2 | 0 % | |