| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 34568 | 54.7 % | ||
 | Windows XP | 15682 | 24.8 % |  |
 | Windows (unknown version) | 3 | 0 % | |
 | Windows NT | 71 | 0.1 % | |
 | Windows ME | 25 | 0 % | |
 | Windows Vista (LongHorn) | 4713 | 7.4 % | |
 | Windows Mobile | 3 | 0 % | |
 | Windows 98 | 38 | 0 % | |
 | Windows 2008 | 13427 | 21.2 % | |
 | Windows 2003 | 470 | 0.7 % | |
 | Windows 2000 | 92 | 0.1 % | |
 | Windows 3.xx | 44 | 0 % | |
| BSD | 53 | 0 % | ||
 | FreeBSD | 53 | 0 % | |
| Linux | 17466 | 27.6 % | ||
 | Ubuntu | 6517 | 10.3 % | |
 | Suse | 658 | 1 % | |
 | Mandriva (or Mandrake) | 71 | 0.1 % | |
 | Gentoo | 251 | 0.3 % | |
 | Fedora | 591 | 0.9 % | |
 | Debian | 224 | 0.3 % | |
 | Centos | 17 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 9137 | 14.4 % | |
| Macintosh | 5675 | 8.9 % | ||
 | Mac OS X | 5675 | 8.9 % | |
| Others | 5406 | 8.5 % | ||
 | Unknown | 5097 | 8 % | |
 | Unknown Unix system | 292 | 0.4 % | |
 | Symbian OS | 17 | 0 % | |