| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 14371 | 39.2 % | ||
 | Windows XP | 657 | 1.7 % |  |
 | Windows Vista | 1583 | 4.3 % | |
 | Windows (unknown version) | 1 | 0 % | |
 | Windows NT | 6685 | 18.2 % | |
 | Windows Vista (LongHorn) | 48 | 0.1 % | |
 | Windows 2008 | 5350 | 14.6 % | |
 | Windows 2003 | 1 | 0 % | |
 | Windows 2000 | 36 | 0 % | |
 | Windows 3.xx | 10 | 0 % | |
| BSD | 86 | 0.2 % | ||
 | OpenBSD | 38 | 0.1 % | |
 | NetBSD | 32 | 0 % | |
 | FreeBSD | 16 | 0 % | |
| Linux | 12726 | 34.7 % | ||
 | Ubuntu | 386 | 1 % | |
 | Mandriva (or Mandrake) | 7 | 0 % | |
 | Fedora | 22 | 0 % | |
 | Centos | 15 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 12296 | 33.6 % | |
| Macintosh | 4797 | 13.1 % | ||
 | Mac OS X | 4557 | 12.4 % | |
 | Mac OS | 240 | 0.6 % | |
| Others | 4611 | 12.6 % | ||
 | Unknown | 4597 | 12.5 % | |
 | Unknown Unix system | 14 | 0 % | |