| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 20568 | 43.3 % | ||
 | Windows XP | 3970 | 8.3 % |  |
 | Windows Vista | 3268 | 6.8 % | |
 | Windows (unknown version) | 15 | 0 % | |
 | Windows NT | 2 | 0 % | |
 | Windows ME | 1 | 0 % | |
 | Windows Vista (LongHorn) | 345 | 0.7 % | |
 | Windows 98 | 190 | 0.4 % | |
 | Windows 2008 | 12638 | 26.6 % | |
 | Windows 2003 | 119 | 0.2 % | |
 | Windows 2000 | 19 | 0 % | |
 | Windows 3.xx | 1 | 0 % | |
| BSD | 230 | 0.4 % | ||
 | OpenBSD | 59 | 0.1 % | |
 | NetBSD | 59 | 0.1 % | |
 | FreeBSD | 112 | 0.2 % | |
| Linux | 15033 | 31.6 % | ||
 | Ubuntu | 1161 | 2.4 % | |
 | Suse | 94 | 0.1 % | |
 | Red Hat | 82 | 0.1 % | |
 | Mandriva (or Mandrake) | 13 | 0 % | |
 | Fedora | 38 | 0 % | |
 | Debian | 39 | 0 % | |
 | Centos | 48 | 0.1 % | |
 | GNU Linux (Unknown or unspecified distribution) | 13558 | 28.5 % | |
| Macintosh | 9769 | 20.5 % | ||
 | Mac OS X | 9735 | 20.5 % | |
 | Mac OS | 34 | 0 % | |
| Others | 1826 | 3.8 % | ||
 | Unknown | 1758 | 3.7 % | |
 | Unknown Unix system | 43 | 0 % | |
 | Sun Solaris | 24 | 0 % | |
 | OS/2 | 1 | 0 % | |