| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 17689 | 37.9 % | ||
 | Windows XP | 8380 | 17.9 % |  |
 | Windows (unknown version) | 38 | 0 % | |
 | Windows NT | 104 | 0.2 % | |
 | Windows ME | 61 | 0.1 % | |
 | Windows Vista (LongHorn) | 1165 | 2.5 % | |
 | Windows Mobile | 63 | 0.1 % | |
 | Windows 98 | 121 | 0.2 % | |
 | Windows 95 | 55 | 0.1 % | |
 | Windows 2008 | 7180 | 15.4 % | |
 | Windows 2003 | 215 | 0.4 % | |
 | Windows 2000 | 296 | 0.6 % | |
 | Windows 3.xx | 11 | 0 % | |
| BSD | 448 | 0.9 % | ||
 | OpenBSD | 57 | 0.1 % | |
 | NetBSD | 18 | 0 % | |
 | FreeBSD | 373 | 0.8 % | |
| Linux | 25031 | 53.7 % | ||
 | Ubuntu | 3987 | 8.5 % | |
 | Suse | 73 | 0.1 % | |
 | Red Hat | 32 | 0 % | |
 | Mandriva (or Mandrake) | 35 | 0 % | |
 | Gentoo | 627 | 1.3 % | |
 | Fedora | 198 | 0.4 % | |
 | Debian | 270 | 0.5 % | |
 | Centos | 33 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 19776 | 42.4 % | |
| Macintosh | 1802 | 3.8 % | ||
 | Mac OS X | 1776 | 3.8 % | |
 | Mac OS | 26 | 0 % | |
| Others | 1623 | 3.4 % | ||
 | Unknown | 1273 | 2.7 % | |
 | Sun Solaris | 321 | 0.6 % | |
 | OS/2 | 11 | 0 % | |
 | Unknown Unix system | 11 | 0 % | |
 | BeOS | 7 | 0 % | |