| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 21312 | 33.5 % | ||
 | Windows XP | 12242 | 19.2 % |  |
 | Windows (unknown version) | 28 | 0 % | |
 | Windows NT | 148 | 0.2 % | |
 | Windows ME | 137 | 0.2 % | |
 | Windows Vista (LongHorn) | 1187 | 1.8 % | |
 | Windows Mobile | 6 | 0 % | |
 | Windows 98 | 25 | 0 % | |
 | Windows 95 | 60 | 0 % | |
 | Windows 2008 | 6840 | 10.7 % | |
 | Windows 2003 | 349 | 0.5 % | |
 | Windows 2000 | 289 | 0.4 % | |
 | Windows 3.xx | 1 | 0 % | |
| BSD | 944 | 1.4 % | ||
 | OpenBSD | 100 | 0.1 % | |
 | NetBSD | 46 | 0 % | |
 | FreeBSD | 798 | 1.2 % | |
| Linux | 29586 | 46.5 % | ||
 | Ubuntu | 9089 | 14.2 % | |
 | Suse | 472 | 0.7 % | |
 | Red Hat | 58 | 0 % | |
 | Mandriva (or Mandrake) | 101 | 0.1 % | |
 | Gentoo | 934 | 1.4 % | |
 | Fedora | 733 | 1.1 % | |
 | Debian | 647 | 1 % | |
 | Centos | 91 | 0.1 % | |
 | GNU Linux (Unknown or unspecified distribution) | 17461 | 27.4 % | |
| Macintosh | 2600 | 4 % | ||
 | Mac OS X | 2600 | 4 % | |
| Others | 9132 | 14.3 % | ||
 | Unknown | 8955 | 14 % | |
 | Sun Solaris | 104 | 0.1 % | |
 | Unknown Unix system | 57 | 0 % | |
 | Symbian OS | 8 | 0 % | |
 | Aix | 8 | 0 % | |