| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 23016 | 39.7 % | ||
 | Windows XP | 12196 | 21 % |  |
 | Windows (unknown version) | 4 | 0 % | |
 | Windows NT | 841 | 1.4 % | |
 | Windows ME | 439 | 0.7 % | |
 | Windows Vista (LongHorn) | 864 | 1.4 % | |
 | Windows Mobile | 132 | 0.2 % | |
 | Windows 98 | 312 | 0.5 % | |
 | Windows 95 | 302 | 0.5 % | |
 | Windows 2008 | 4437 | 7.6 % | |
 | Windows 2003 | 1308 | 2.2 % | |
 | Windows 2000 | 2089 | 3.6 % | |
 | Windows 3.xx | 92 | 0.1 % | |
| BSD | 862 | 1.4 % | ||
 | OpenBSD | 39 | 0 % | |
 | NetBSD | 26 | 0 % | |
 | FreeBSD | 797 | 1.3 % | |
| Linux | 31632 | 54.6 % | ||
 | Ubuntu | 3855 | 6.6 % | |
 | Suse | 120 | 0.2 % | |
 | Red Hat | 63 | 0.1 % | |
 | Mandriva (or Mandrake) | 39 | 0 % | |
 | Gentoo | 716 | 1.2 % | |
 | Fedora | 341 | 0.5 % | |
 | Debian | 334 | 0.5 % | |
 | Centos | 122 | 0.2 % | |
 | GNU Linux (Unknown or unspecified distribution) | 26042 | 45 % | |
| Macintosh | 1621 | 2.8 % | ||
 | Mac OS X | 1621 | 2.8 % | |
| Others | 713 | 1.2 % | ||
 | Unknown | 650 | 1.1 % | |
 | Unknown Unix system | 31 | 0 % | |
 | Sun Solaris | 16 | 0 % | |
 | Symbian OS | 13 | 0 % | |
 | OS/2 | 3 | 0 % | |