| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 3173739 | 64.7 % | ||
 | Windows XP | 296821 | 6 % |  |
 | Microsoft XBOX | 2 | 0 % | |
 | Windows NT | 2595524 | 52.9 % | |
 | Windows Me | 46 | 0 % | |
 | Windows Vista | 266539 | 5.4 % | |
 | Windows CE | 2902 | 0 % | |
 | Windows 98 | 1001 | 0 % | |
 | Windows 95 | 31 | 0 % | |
 | Windows 2003 | 4196 | 0 % | |
 | Windows 2000 | 6671 | 0.1 % | |
 | Windows 3.xx | 6 | 0 % | |
| BSD | 106 | 0 % | ||
 | OpenBSD | 71 | 0 % | |
 | NetBSD | 1 | 0 % | |
 | FreeBSD | 34 | 0 % | |
| Linux | 300609 | 6.1 % | ||
 | Ubuntu | 7289 | 0.1 % | |
 | Suse | 674 | 0 % | |
 | Red Hat | 90 | 0 % | |
 | Mandriva (or Mandrake) | 60 | 0 % | |
 | Fedora | 311 | 0 % | |
 | Debian | 48 | 0 % | |
 | Centos | 37 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 292100 | 5.9 % | |
| Macintosh | 1147565 | 23.3 % | ||
 | Mac OS X | 1147554 | 23.3 % | |
 | Mac OS | 11 | 0 % | |
| Others | 282629 | 5.7 % | ||
 | Unknown | 279505 | 5.6 % | |
 | Unknown Unix system | 2363 | 0 % | |
 | Sun Solaris | 414 | 0 % | |
 | Symbian OS | 251 | 0 % | |
 | Sony PlayStation Portable | 94 | 0 % | |
 | OS/2 | 1 | 0 % | |
 | OSF Unix | 1 | 0 % | |