| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 18731 | 39.7 % | ||
 | Windows XP | 2044 | 4.3 % |  |
 | Windows Vista | 4458 | 9.4 % | |
 | Windows (unknown version) | 1 | 0 % | |
 | Windows NT | 45 | 0 % | |
 | Windows Vista (LongHorn) | 300 | 0.6 % | |
 | Windows 2008 | 11753 | 24.9 % | |
 | Windows 2003 | 98 | 0.2 % | |
 | Windows 2000 | 32 | 0 % | |
| BSD | 178 | 0.3 % | ||
 | OpenBSD | 58 | 0.1 % | |
 | NetBSD | 35 | 0 % | |
 | FreeBSD | 85 | 0.1 % | |
| Linux | 12916 | 27.3 % | ||
 | Ubuntu | 867 | 1.8 % | |
 | Suse | 39 | 0 % | |
 | Red Hat | 50 | 0.1 % | |
 | Mandriva (or Mandrake) | 20 | 0 % | |
 | Fedora | 94 | 0.1 % | |
 | Debian | 14 | 0 % | |
 | Centos | 21 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 11811 | 25 % | |
| Macintosh | 10192 | 21.6 % | ||
 | Mac OS X | 10190 | 21.6 % | |
 | Mac OS | 2 | 0 % | |
| Others | 5155 | 10.9 % | ||
 | Unknown | 5110 | 10.8 % | |
 | Sun Solaris | 19 | 0 % | |
 | Unknown Unix system | 19 | 0 % | |
 | OS/2 | 7 | 0 % | |