| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 2102753 | 65.9 % | ||
 | Windows XP | 190872 | 5.9 % |  |
 | Microsoft XBOX | 2 | 0 % | |
 | Windows NT | 1730353 | 54.2 % | |
 | Windows Me | 236 | 0 % | |
 | Windows Vista | 170678 | 5.3 % | |
 | Windows CE | 6376 | 0.1 % | |
 | Windows 98 | 408 | 0 % | |
 | Windows 95 | 36 | 0 % | |
 | Windows 2003 | 2764 | 0 % | |
 | Windows 2000 | 1022 | 0 % | |
 | Windows 3.xx | 6 | 0 % | |
| BSD | 19 | 0 % | ||
 | OpenBSD | 1 | 0 % | |
 | FreeBSD | 18 | 0 % | |
| Linux | 166239 | 5.2 % | ||
 | Ubuntu | 4467 | 0.1 % | |
 | Suse | 522 | 0 % | |
 | Red Hat | 29 | 0 % | |
 | Mandriva (or Mandrake) | 5 | 0 % | |
 | Fedora | 21 | 0 % | |
 | Debian | 61 | 0 % | |
 | Centos | 9 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 161125 | 5 % | |
| Macintosh | 663996 | 20.8 % | ||
 | Mac OS X | 663972 | 20.8 % | |
 | Mac OS | 24 | 0 % | |
| Others | 255689 | 8 % | ||
 | Unknown | 251268 | 7.8 % | |
 | Unknown Unix system | 3879 | 0.1 % | |
 | Sun Solaris | 279 | 0 % | |
 | Symbian OS | 237 | 0 % | |
 | Sony PlayStation Portable | 16 | 0 % | |
 | OS/2 | 9 | 0 % | |
 | AmigaOS | 1 | 0 % | |