| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 5991965 | 67.9 % | ||
 | Windows XP | 561994 | 6.3 % |  |
 | Windows NT | 4738813 | 53.7 % | |
 | Windows Me | 59 | 0 % | |
 | Windows Vista | 681138 | 7.7 % | |
 | Windows CE | 2004 | 0 % | |
 | Windows 98 | 651 | 0 % | |
 | Windows 95 | 81 | 0 % | |
 | Windows 2003 | 3947 | 0 % | |
 | Windows 2000 | 3257 | 0 % | |
 | Windows 3.xx | 21 | 0 % | |
| BSD | 194 | 0 % | ||
 | OpenBSD | 177 | 0 % | |
 | NetBSD | 1 | 0 % | |
 | FreeBSD | 16 | 0 % | |
| Linux | 453059 | 5.1 % | ||
 | Ubuntu | 11492 | 0.1 % | |
 | Suse | 44 | 0 % | |
 | Red Hat | 192 | 0 % | |
 | Mandriva (or Mandrake) | 3 | 0 % | |
 | Fedora | 74 | 0 % | |
 | Debian | 887 | 0 % | |
 | Centos | 152 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 440215 | 4.9 % | |
| Macintosh | 2303590 | 26.1 % | ||
 | Mac OS X | 2303572 | 26.1 % | |
 | Mac OS | 18 | 0 % | |
| Others | 68223 | 0.7 % | ||
 | Unknown | 66236 | 0.7 % | |
 | Unknown Unix system | 1337 | 0 % | |
 | Symbian OS | 358 | 0 % | |
 | Sun Solaris | 253 | 0 % | |
 | Sony PlayStation Portable | 38 | 0 % | |
 | Irix | 1 | 0 % | |