| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 17656 | 40.4 % | ||
 | Windows XP | 1930 | 4.4 % |  |
 | Windows Vista | 4211 | 9.6 % | |
 | Windows (unknown version) | 17 | 0 % | |
 | Windows NT | 108 | 0.2 % | |
 | Windows Vista (LongHorn) | 365 | 0.8 % | |
 | Windows 98 | 5 | 0 % | |
 | Windows 2008 | 10867 | 24.9 % | |
 | Windows 2003 | 115 | 0.2 % | |
 | Windows 2000 | 38 | 0 % | |
| BSD | 191 | 0.4 % | ||
 | OpenBSD | 48 | 0.1 % | |
 | NetBSD | 41 | 0 % | |
 | FreeBSD | 102 | 0.2 % | |
| Linux | 11704 | 26.8 % | ||
 | Ubuntu | 485 | 1.1 % | |
 | Suse | 29 | 0 % | |
 | Red Hat | 44 | 0.1 % | |
 | Mandriva (or Mandrake) | 17 | 0 % | |
 | Fedora | 37 | 0 % | |
 | Debian | 47 | 0.1 % | |
 | Centos | 18 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 11027 | 25.2 % | |
| Macintosh | 9117 | 20.9 % | ||
 | Mac OS X | 9113 | 20.8 % | |
 | Mac OS | 4 | 0 % | |
| Others | 4954 | 11.3 % | ||
 | Unknown | 4912 | 11.2 % | |
 | Unknown Unix system | 20 | 0 % | |
 | Sun Solaris | 15 | 0 % | |
 | OS/2 | 7 | 0 % | |