| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 4272248 | 67.4 % | ||
 | Windows XP | 375350 | 5.9 % |  |
 | Microsoft XBOX | 1 | 0 % | |
 | Windows NT | 3451745 | 54.4 % | |
 | Windows Me | 136 | 0 % | |
 | Windows Vista | 437139 | 6.8 % | |
 | Windows CE | 2853 | 0 % | |
 | Windows 98 | 536 | 0 % | |
 | Windows 95 | 15 | 0 % | |
 | Windows 2003 | 3458 | 0 % | |
 | Windows 2000 | 1012 | 0 % | |
 | Windows 3.xx | 3 | 0 % | |
| BSD | 93 | 0 % | ||
 | OpenBSD | 79 | 0 % | |
 | NetBSD | 2 | 0 % | |
 | FreeBSD | 12 | 0 % | |
| Linux | 353534 | 5.5 % | ||
 | Ubuntu | 9566 | 0.1 % | |
 | Suse | 502 | 0 % | |
 | Red Hat | 15 | 0 % | |
 | Mandriva (or Mandrake) | 11 | 0 % | |
 | Fedora | 368 | 0 % | |
 | Debian | 50 | 0 % | |
 | Centos | 9 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 343013 | 5.4 % | |
| Macintosh | 1624432 | 25.6 % | ||
 | Mac OS X | 1624416 | 25.6 % | |
 | Mac OS | 16 | 0 % | |
| Others | 86175 | 1.3 % | ||
 | Unknown | 82225 | 1.2 % | |
 | Unknown Unix system | 2967 | 0 % | |
 | Sun Solaris | 619 | 0 % | |
 | Symbian OS | 301 | 0 % | |
 | Sony PlayStation Portable | 56 | 0 % | |
 | RISC OS | 7 | 0 % | |