| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 28514 | 49.9 % | ||
 | Windows XP | 15800 | 27.6 % |  |
 | Windows (unknown version) | 3 | 0 % | |
 | Windows NT | 179 | 0.3 % | |
 | Windows ME | 5 | 0 % | |
 | Windows Vista (LongHorn) | 4252 | 7.4 % | |
 | Windows Mobile | 3 | 0 % | |
 | Windows 98 | 60 | 0.1 % | |
 | Windows 95 | 2 | 0 % | |
 | Windows 2008 | 7515 | 13.1 % | |
 | Windows 2003 | 347 | 0.6 % | |
 | Windows 2000 | 348 | 0.6 % | |
| BSD | 19 | 0 % | ||
 | FreeBSD | 19 | 0 % | |
| Linux | 18582 | 32.5 % | ||
 | Ubuntu | 6791 | 11.9 % | |
 | Suse | 609 | 1 % | |
 | Red Hat | 1 | 0 % | |
 | Mandriva (or Mandrake) | 123 | 0.2 % | |
 | Gentoo | 114 | 0.1 % | |
 | Fedora | 604 | 1 % | |
 | Debian | 477 | 0.8 % | |
 | Centos | 20 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 9843 | 17.2 % | |
| Macintosh | 4347 | 7.6 % | ||
 | Mac OS X | 4347 | 7.6 % | |
| Others | 5603 | 9.8 % | ||
 | Unknown | 5234 | 9.1 % | |
 | Unknown Unix system | 352 | 0.6 % | |
 | Sun Solaris | 17 | 0 % | |