| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 18229 | 34.4 % | ||
 | Windows XP | 9343 | 17.6 % |  |
 | Windows Vista | 1 | 0 % | |
 | Windows (unknown version) | 43 | 0 % | |
 | Windows NT | 151 | 0.2 % | |
 | Windows ME | 37 | 0 % | |
 | Windows Vista (LongHorn) | 865 | 1.6 % | |
 | Windows Mobile | 47 | 0 % | |
 | Windows 98 | 114 | 0.2 % | |
 | Windows 95 | 51 | 0 % | |
 | Windows 2008 | 6960 | 13.1 % | |
 | Windows 2003 | 393 | 0.7 % | |
 | Windows 2000 | 217 | 0.4 % | |
 | Windows 3.xx | 7 | 0 % | |
| BSD | 621 | 1.1 % | ||
 | OpenBSD | 131 | 0.2 % | |
 | NetBSD | 56 | 0.1 % | |
 | FreeBSD | 434 | 0.8 % | |
| Linux | 29067 | 54.9 % | ||
 | Ubuntu | 5118 | 9.6 % | |
 | Suse | 160 | 0.3 % | |
 | Red Hat | 81 | 0.1 % | |
 | Mandriva (or Mandrake) | 135 | 0.2 % | |
 | Gentoo | 811 | 1.5 % | |
 | Fedora | 293 | 0.5 % | |
 | Debian | 479 | 0.9 % | |
 | Centos | 26 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 21964 | 41.5 % | |
| Macintosh | 1996 | 3.7 % | ||
 | Mac OS X | 1990 | 3.7 % | |
 | Mac OS | 6 | 0 % | |
| Others | 2997 | 5.6 % | ||
 | Unknown | 2740 | 5.1 % | |
 | Sun Solaris | 190 | 0.3 % | |
 | OS/2 | 26 | 0 % | |
 | Unknown Unix system | 18 | 0 % | |
 | BeOS | 14 | 0 % | |
 | Symbian OS | 9 | 0 % | |