| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 14201 | 25.6 % | ||
 | Windows XP | 9490 | 17.1 % |  |
 | Windows (unknown version) | 30 | 0 % | |
 | Windows NT | 220 | 0.3 % | |
 | Windows ME | 123 | 0.2 % | |
 | Windows Vista (LongHorn) | 2029 | 3.6 % | |
 | Windows Mobile | 49 | 0 % | |
 | Windows 98 | 116 | 0.2 % | |
 | Windows 95 | 77 | 0.1 % | |
 | Windows 2008 | 1054 | 1.9 % | |
 | Windows 2003 | 547 | 0.9 % | |
 | Windows 2000 | 441 | 0.7 % | |
 | Windows 3.xx | 25 | 0 % | |
| BSD | 1273 | 2.2 % | ||
 | OpenBSD | 107 | 0.1 % | |
 | NetBSD | 39 | 0 % | |
 | FreeBSD | 1127 | 2 % | |
| Linux | 36818 | 66.4 % | ||
 | Ubuntu | 10922 | 19.7 % | |
 | Suse | 813 | 1.4 % | |
 | Red Hat | 80 | 0.1 % | |
 | Mandriva (or Mandrake) | 304 | 0.5 % | |
 | Gentoo | 2216 | 4 % | |
 | Fedora | 1683 | 3 % | |
 | Debian | 4035 | 7.2 % | |
 | Centos | 154 | 0.2 % | |
 | GNU Linux (Unknown or unspecified distribution) | 16611 | 29.9 % | |
| Macintosh | 1748 | 3.1 % | ||
 | Mac OS X | 1735 | 3.1 % | |
 | Mac OS | 13 | 0 % | |
| Others | 1339 | 2.4 % | ||
 | Unknown | 1249 | 2.2 % | |
 | Unknown Unix system | 49 | 0 % | |
 | Sun Solaris | 41 | 0 % | |