| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 437679 | 86 % | ||
 | Windows XP | 258978 | 50.8 % |  |
 | Windows NT | 70492 | 13.8 % | |
 | Windows Me | 174 | 0 % | |
 | Windows Vista (Longhorn) | 98301 | 19.3 % | |
 | Windows CE | 1 | 0 % | |
 | Windows 98 | 614 | 0.1 % | |
 | Windows 95 | 24 | 0 % | |
 | Windows 2003 | 4741 | 0.9 % | |
 | Windows 2000 | 4321 | 0.8 % | |
 | Windows 3.xx | 33 | 0 % | |
| BSD | 126 | 0 % | ||
 | OpenBSD | 4 | 0 % | |
 | FreeBSD | 122 | 0 % | |
| Linux | 13644 | 2.6 % | ||
 | Ubuntu | 5488 | 1 % | |
 | Suse | 740 | 0.1 % | |
 | Red Hat | 97 | 0 % | |
 | Mandriva (or Mandrake) | 154 | 0 % | |
 | Fedora | 138 | 0 % | |
 | Debian | 798 | 0.1 % | |
 | GNU Linux (Unknown or unspecified distribution) | 6229 | 1.2 % | |
| Macintosh | 45274 | 8.8 % | ||
 | Mac OS X | 45261 | 8.8 % | |
 | Mac OS | 13 | 0 % | |
| Others | 12172 | 2.3 % | ||
 | Unknown | 11939 | 2.3 % | |
 | Symbian OS | 146 | 0 % | |
 | Unknown Unix system | 87 | 0 % | |