| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 286467 | 85.4 % | ||
 | Windows XP | 191813 | 57.2 % |  |
 | Windows (unknown version) | 18898 | 5.6 % | |
 | Windows NT | 150 | 0 % | |
 | Windows ME | 4 | 0 % | |
 | Windows Vista (LongHorn) | 33043 | 9.8 % | |
 | Windows Mobile | 20 | 0 % | |
 | Windows 98 | 2931 | 0.8 % | |
 | Windows 95 | 4 | 0 % | |
 | Windows 2008 | 30389 | 9 % | |
 | Windows 2003 | 3303 | 0.9 % | |
 | Windows 2000 | 5904 | 1.7 % | |
 | Windows 3.xx | 8 | 0 % | |
| BSD | 28 | 0 % | ||
 | FreeBSD | 28 | 0 % | |
| Linux | 15311 | 4.5 % | ||
 | Vine Linux | 35 | 0 % | |
 | Ubuntu | 4774 | 1.4 % | |
 | Suse | 861 | 0.2 % | |
 | Red Hat | 811 | 0.2 % | |
 | PCLinuxOS | 2 | 0 % | |
 | Mandriva (or Mandrake) | 183 | 0 % | |
 | Gentoo | 179 | 0 % | |
 | Fedora | 1205 | 0.3 % | |
 | Debian | 700 | 0.2 % | |
 | Centos | 398 | 0.1 % | |
 | Google Android | 188 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 5975 | 1.7 % | |
| Macintosh | 25891 | 7.7 % | ||
 | Mac OS X | 25868 | 7.7 % | |
 | Mac OS | 23 | 0 % | |
| Others | 7565 | 2.2 % | ||
 | Unknown | 6819 | 2 % | |
 | Java Mobile | 501 | 0.1 % | |
 | BlackBerry | 123 | 0 % | |
 | Sun Solaris | 72 | 0 % | |
 | Symbian OS | 25 | 0 % | |
 | Java | 12 | 0 % | |
 | AmigaOS | 11 | 0 % | |
 | Sony PlayStation | 1 | 0 % | |
 | Unknown Unix system | 1 | 0 % | |