| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 326590 | 81.5 % | ||
 | Windows XP | 184711 | 46 % |  |
 | Windows Vista | 15 | 0 % | |
 | Windows (unknown version) | 4669 | 1.1 % | |
 | Windows NT | 258 | 0 % | |
 | Windows ME | 58 | 0 % | |
 | Windows Vista (LongHorn) | 27026 | 6.7 % | |
 | Windows Mobile | 3 | 0 % | |
 | Windows 98 | 240 | 0 % | |
 | Windows 95 | 14 | 0 % | |
 | Windows 2008 | 101811 | 25.4 % | |
 | Windows 2003 | 3901 | 0.9 % | |
 | Windows 2000 | 3883 | 0.9 % | |
 | Windows 3.xx | 1 | 0 % | |
| BSD | 7 | 0 % | ||
 | FreeBSD | 7 | 0 % | |
| Linux | 22586 | 5.6 % | ||
 | Vine Linux | 1 | 0 % | |
 | Ubuntu | 5580 | 1.3 % | |
 | Suse | 911 | 0.2 % | |
 | Red Hat | 1045 | 0.2 % | |
 | PCLinuxOS | 20 | 0 % | |
 | Mandriva (or Mandrake) | 81 | 0 % | |
 | Gentoo | 202 | 0 % | |
 | Fedora | 1225 | 0.3 % | |
 | Debian | 364 | 0 % | |
 | Centos | 528 | 0.1 % | |
 | Google Android | 850 | 0.2 % | |
 | GNU Linux (Unknown or unspecified distribution) | 11779 | 2.9 % | |
| Macintosh | 36793 | 9.1 % | ||
 | Mac OS X | 36742 | 9.1 % | |
 | Mac OS | 51 | 0 % | |
| Others | 14709 | 3.6 % | ||
 | Unknown | 13073 | 3.2 % | |
 | Java Mobile | 972 | 0.2 % | |
 | Java | 342 | 0 % | |
 | BlackBerry | 124 | 0 % | |
 | Symbian OS | 99 | 0 % | |
 | Sun Solaris | 52 | 0 % | |
 | Unknown Unix system | 37 | 0 % | |
 | Sony PlayStation | 10 | 0 % | |