| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 18290 | 38.5 % | ||
 | Windows XP | 2271 | 4.7 % |  |
 | Windows Vista | 4144 | 8.7 % | |
 | Windows (unknown version) | 2 | 0 % | |
 | Windows NT | 6 | 0 % | |
 | Windows ME | 1 | 0 % | |
 | Windows Vista (LongHorn) | 212 | 0.4 % | |
 | Windows 98 | 6 | 0 % | |
 | Windows 2008 | 11547 | 24.3 % | |
 | Windows 2003 | 66 | 0.1 % | |
 | Windows 2000 | 35 | 0 % | |
| BSD | 176 | 0.3 % | ||
 | OpenBSD | 52 | 0.1 % | |
 | NetBSD | 32 | 0 % | |
 | FreeBSD | 92 | 0.1 % | |
| Linux | 12350 | 26 % | ||
 | Ubuntu | 695 | 1.4 % | |
 | Suse | 23 | 0 % | |
 | Red Hat | 19 | 0 % | |
 | Mandriva (or Mandrake) | 47 | 0 % | |
 | Fedora | 53 | 0.1 % | |
 | Debian | 8 | 0 % | |
 | Centos | 8 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 11497 | 24.2 % | |
| Macintosh | 11311 | 23.8 % | ||
 | Mac OS X | 11256 | 23.7 % | |
 | Mac OS | 55 | 0.1 % | |
| Others | 5279 | 11.1 % | ||
 | Unknown | 5195 | 10.9 % | |
 | Unknown Unix system | 67 | 0.1 % | |
 | Sun Solaris | 16 | 0 % | |
 | RISC OS | 1 | 0 % | |