| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 1229403 | 81.4 % | ||
 | Windows XP | 752573 | 49.8 % |  |
 | Windows NT | 189185 | 12.5 % | |
 | Windows Me | 3180 | 0.2 % | |
 | Windows Vista | 246854 | 16.3 % | |
 | Windows CE | 767 | 0 % | |
 | Windows 98 | 5068 | 0.3 % | |
 | Windows 95 | 1701 | 0.1 % | |
 | Windows 2003 | 11263 | 0.7 % | |
 | Windows 2000 | 18361 | 1.2 % | |
 | Windows 3.xx | 451 | 0 % | |
| BSD | 30 | 0 % | ||
 | OpenBSD | 5 | 0 % | |
 | NetBSD | 3 | 0 % | |
 | FreeBSD | 22 | 0 % | |
| Linux | 25738 | 1.7 % | ||
 | Ubuntu | 10328 | 0.6 % | |
 | Suse | 828 | 0 % | |
 | Red Hat | 444 | 0 % | |
 | Mandriva (or Mandrake) | 94 | 0 % | |
 | Fedora | 1640 | 0.1 % | |
 | Debian | 1528 | 0.1 % | |
 | Centos | 134 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 10742 | 0.7 % | |
| Macintosh | 192962 | 12.7 % | ||
 | Mac OS X | 192675 | 12.7 % | |
 | Mac OS | 287 | 0 % | |
| Others | 60811 | 4 % | ||
 | Unknown | 58117 | 3.8 % | |
 | Symbian OS | 1229 | 0 % | |
 | Sony PlayStation Portable | 968 | 0 % | |
 | Unknown Unix system | 409 | 0 % | |
 | Sun Solaris | 64 | 0 % | |
 | CPM | 8 | 0 % | |
 | OS/2 | 7 | 0 % | |
 | WebTV | 6 | 0 % | |
 | OSF Unix | 2 | 0 % | |
 | Aix | 1 | 0 % | |