| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 24592 | 47.8 % | ||
 | Windows XP | 9408 | 18.3 % |  |
 | Windows (unknown version) | 60 | 0.1 % | |
 | Windows NT | 58 | 0.1 % | |
 | Windows ME | 13 | 0 % | |
 | Windows Vista (LongHorn) | 3207 | 6.2 % | |
 | Windows Mobile | 1 | 0 % | |
 | Windows 98 | 23 | 0 % | |
 | Windows 95 | 2 | 0 % | |
 | Windows 2008 | 11547 | 22.4 % | |
 | Windows 2003 | 128 | 0.2 % | |
 | Windows 2000 | 132 | 0.2 % | |
 | Windows 3.xx | 13 | 0 % | |
| BSD | 18 | 0 % | ||
 | FreeBSD | 18 | 0 % | |
| Linux | 16908 | 32.8 % | ||
 | Ubuntu | 3290 | 6.4 % | |
 | Suse | 137 | 0.2 % | |
 | Red Hat | 36 | 0 % | |
 | Mandriva (or Mandrake) | 2 | 0 % | |
 | Gentoo | 246 | 0.4 % | |
 | Fedora | 135 | 0.2 % | |
 | Debian | 71 | 0.1 % | |
 | Centos | 32 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 12959 | 25.2 % | |
| Macintosh | 3978 | 7.7 % | ||
 | Mac OS X | 3977 | 7.7 % | |
 | Mac OS | 1 | 0 % | |
| Others | 5904 | 11.4 % | ||
 | Unknown | 5560 | 10.8 % | |
 | Unknown Unix system | 325 | 0.6 % | |
 | Symbian OS | 19 | 0 % | |