| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 16982 | 27.4 % | ||
 | Windows XP | 11353 | 18.3 % |  |
 | Windows (unknown version) | 59 | 0 % | |
 | Windows NT | 198 | 0.3 % | |
 | Windows ME | 92 | 0.1 % | |
 | Windows Vista (LongHorn) | 2118 | 3.4 % | |
 | Windows Mobile | 23 | 0 % | |
 | Windows 98 | 89 | 0.1 % | |
 | Windows 95 | 106 | 0.1 % | |
 | Windows 2008 | 1804 | 2.9 % | |
 | Windows 2003 | 647 | 1 % | |
 | Windows 2000 | 476 | 0.7 % | |
 | Windows 3.xx | 17 | 0 % | |
| BSD | 1070 | 1.7 % | ||
 | OpenBSD | 142 | 0.2 % | |
 | FreeBSD | 928 | 1.5 % | |
| Linux | 40525 | 65.5 % | ||
 | Ubuntu | 12212 | 19.7 % | |
 | Suse | 927 | 1.5 % | |
 | Red Hat | 67 | 0.1 % | |
 | Mandriva (or Mandrake) | 555 | 0.8 % | |
 | Gentoo | 2147 | 3.4 % | |
 | Fedora | 1384 | 2.2 % | |
 | Debian | 4669 | 7.5 % | |
 | Centos | 67 | 0.1 % | |
 | GNU Linux (Unknown or unspecified distribution) | 18497 | 29.9 % | |
| Macintosh | 2030 | 3.2 % | ||
 | Mac OS X | 2001 | 3.2 % | |
 | Mac OS | 29 | 0 % | |
| Others | 1180 | 1.9 % | ||
 | Unknown | 991 | 1.6 % | |
 | Sun Solaris | 108 | 0.1 % | |
 | Unknown Unix system | 68 | 0.1 % | |
 | Aix | 13 | 0 % | |