| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 265176 | 44.1 % | ||
 | Windows XP | 85893 | 14.3 % |  |
 | Windows NT | 153347 | 25.5 % | |
 | Windows Me | 95 | 0 % | |
 | Windows Vista | 20483 | 3.4 % | |
 | Windows CE | 69 | 0 % | |
 | Windows 98 | 445 | 0 % | |
 | Windows 95 | 88 | 0 % | |
 | Windows 2003 | 2845 | 0.4 % | |
 | Windows 2000 | 1880 | 0.3 % | |
 | Windows 3.xx | 31 | 0 % | |
| BSD | 2601 | 0.4 % | ||
 | OpenBSD | 561 | 0 % | |
 | NetBSD | 102 | 0 % | |
 | GNU/kFreeBSD | 3 | 0 % | |
 | FreeBSD | 1935 | 0.3 % | |
| Linux | 177216 | 29.5 % | ||
 | Ubuntu | 32848 | 5.4 % | |
 | Suse | 598 | 0 % | |
 | Red Hat | 2065 | 0.3 % | |
 | Mandriva (or Mandrake) | 310 | 0 % | |
 | Fedora | 3492 | 0.5 % | |
 | Debian | 1677 | 0.2 % | |
 | Centos | 2849 | 0.4 % | |
 | GNU Linux (Unknown or unspecified distribution) | 133377 | 22.2 % | |
| Macintosh | 92971 | 15.4 % | ||
 | Mac OS X | 92710 | 15.4 % | |
 | Mac OS | 261 | 0 % | |
| Others | 62328 | 10.3 % | ||
 | Unknown | 61183 | 10.1 % | |
 | Unknown Unix system | 759 | 0.1 % | |
 | Symbian OS | 253 | 0 % | |
 | Sun Solaris | 107 | 0 % | |
 | CPM | 17 | 0 % | |
 | Sony PlayStation Portable | 6 | 0 % | |
 | BeOS | 3 | 0 % | |