| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 3995845 | 91.8 % | ||
 | Windows XP | 1238194 | 28.4 % |  |
 | Windows Vista | 260074 | 5.9 % | |
 | Windows (unknown version) | 7761 | 0.1 % | |
 | Windows NT | 1272 | 0 % | |
 | Windows Vista (LongHorn) | 55707 | 1.2 % | |
 | Windows Mobile | 776 | 0 % | |
 | Windows 98 | 333 | 0 % | |
 | Windows 95 | 159 | 0 % | |
 | Windows 2008 | 2419532 | 55.5 % | |
 | Windows 2003 | 9970 | 0.2 % | |
 | Windows 2000 | 2067 | 0 % | |
| BSD | 1 | 0 % | ||
 | FreeBSD | 1 | 0 % | |
| Linux | 123613 | 2.8 % | ||
 | Ubuntu | 1453 | 0 % | |
 | Suse | 6 | 0 % | |
 | Mandriva (or Mandrake) | 6 | 0 % | |
 | Gentoo | 6 | 0 % | |
 | Fedora | 390 | 0 % | |
 | Google Android | 87646 | 2 % | |
 | GNU Linux (Unknown or unspecified distribution) | 34106 | 0.7 % | |
| Macintosh | 92561 | 2.1 % | ||
 | Mac OS X | 92561 | 2.1 % | |
| Others | 140213 | 3.2 % | ||
 | Unknown | 109594 | 2.5 % | |
 | Java Mobile | 27873 | 0.6 % | |
 | Java | 1640 | 0 % | |
 | Symbian OS | 1087 | 0 % | |
 | Unknown Unix system | 12 | 0 % | |
 | Sun Solaris | 7 | 0 % | |