| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 3157715 | 67.3 % | ||
 | Windows XP | 291363 | 6.2 % |  |
 | Microsoft XBOX | 2 | 0 % | |
 | Windows NT | 2591296 | 55.2 % | |
 | Windows Me | 41 | 0 % | |
 | Windows Vista | 266031 | 5.6 % | |
 | Windows CE | 2902 | 0 % | |
 | Windows 98 | 490 | 0 % | |
 | Windows 95 | 21 | 0 % | |
 | Windows 2003 | 4119 | 0 % | |
 | Windows 2000 | 1445 | 0 % | |
 | Windows 3.xx | 5 | 0 % | |
| BSD | 26 | 0 % | ||
 | OpenBSD | 4 | 0 % | |
 | FreeBSD | 22 | 0 % | |
| Linux | 297355 | 6.3 % | ||
 | Ubuntu | 7068 | 0.1 % | |
 | Suse | 636 | 0 % | |
 | Red Hat | 3 | 0 % | |
 | Mandriva (or Mandrake) | 60 | 0 % | |
 | Fedora | 280 | 0 % | |
 | Debian | 43 | 0 % | |
 | Centos | 16 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 289249 | 6.1 % | |
| Macintosh | 1143986 | 24.4 % | ||
 | Mac OS X | 1143980 | 24.4 % | |
 | Mac OS | 6 | 0 % | |
| Others | 88321 | 1.8 % | ||
 | Unknown | 85212 | 1.8 % | |
 | Unknown Unix system | 2361 | 0 % | |
 | Sun Solaris | 414 | 0 % | |
 | Symbian OS | 238 | 0 % | |
 | Sony PlayStation Portable | 94 | 0 % | |
 | OS/2 | 1 | 0 % | |
 | OSF Unix | 1 | 0 % | |