| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 6323356 | 65.9 % | ||
 | Windows XP | 472222 | 4.9 % |  |
 | Windows NT | 5340561 | 55.6 % | |
 | Windows Me | 76 | 0 % | |
 | Windows Vista | 499723 | 5.2 % | |
 | Windows CE | 4480 | 0 % | |
 | Windows 98 | 685 | 0 % | |
 | Windows 95 | 9 | 0 % | |
 | Windows 2003 | 4101 | 0 % | |
 | Windows 2000 | 1495 | 0 % | |
 | Windows 3.xx | 4 | 0 % | |
| BSD | 30 | 0 % | ||
 | OpenBSD | 3 | 0 % | |
 | FreeBSD | 27 | 0 % | |
| Linux | 643595 | 6.7 % | ||
 | Ubuntu | 9042 | 0 % | |
 | Suse | 34 | 0 % | |
 | Red Hat | 6 | 0 % | |
 | Mandriva (or Mandrake) | 9 | 0 % | |
 | Fedora | 46 | 0 % | |
 | Debian | 100 | 0 % | |
 | Centos | 7 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 634351 | 6.6 % | |
| Macintosh | 2513525 | 26.1 % | ||
 | Mac OS X | 2513513 | 26.1 % | |
 | Mac OS | 12 | 0 % | |
| Others | 114483 | 1.1 % | ||
 | Unknown | 101591 | 1 % | |
 | Unknown Unix system | 11482 | 0.1 % | |
 | Symbian OS | 1029 | 0 % | |
 | Sun Solaris | 332 | 0 % | |
 | Sony PlayStation Portable | 29 | 0 % | |
 | WebTV | 11 | 0 % | |
 | OS/2 | 5 | 0 % | |
 | AmigaOS | 2 | 0 % | |
 | BeOS | 1 | 0 % | |
 | HP UX | 1 | 0 % | |