| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 6029967 | 67.1 % | ||
 | Windows XP | 588054 | 6.5 % |  |
 | Windows NT | 4744362 | 52.8 % | |
 | Windows Me | 72 | 0 % | |
 | Windows Vista | 681607 | 7.5 % | |
 | Windows CE | 2004 | 0 % | |
 | Windows 98 | 712 | 0 % | |
 | Windows 95 | 86 | 0 % | |
 | Windows 2003 | 4096 | 0 % | |
 | Windows 2000 | 8952 | 0 % | |
 | Windows 3.xx | 22 | 0 % | |
| BSD | 206 | 0 % | ||
 | OpenBSD | 188 | 0 % | |
 | NetBSD | 1 | 0 % | |
 | FreeBSD | 17 | 0 % | |
| Linux | 455999 | 5 % | ||
 | Ubuntu | 11757 | 0.1 % | |
 | Suse | 74 | 0 % | |
 | Red Hat | 196 | 0 % | |
 | Mandriva (or Mandrake) | 4 | 0 % | |
 | Fedora | 86 | 0 % | |
 | Debian | 934 | 0 % | |
 | Centos | 159 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 442789 | 4.9 % | |
| Macintosh | 2307867 | 25.6 % | ||
 | Mac OS X | 2307849 | 25.6 % | |
 | Mac OS | 18 | 0 % | |
| Others | 190237 | 2.1 % | ||
 | Unknown | 188231 | 2 % | |
 | Unknown Unix system | 1340 | 0 % | |
 | Symbian OS | 366 | 0 % | |
 | Sun Solaris | 260 | 0 % | |
 | Sony PlayStation Portable | 38 | 0 % | |
 | OS/2 | 1 | 0 % | |
 | Irix | 1 | 0 % | |