| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 880964 | 81.2 % | ||
 | Windows XP | 509701 | 46.9 % |  |
 | Windows NT | 173308 | 15.9 % | |
 | Windows Me | 2338 | 0.2 % | |
 | Windows Vista | 163992 | 15.1 % | |
 | Windows CE | 682 | 0 % | |
 | Windows 98 | 4434 | 0.4 % | |
 | Windows 95 | 1747 | 0.1 % | |
 | Windows 2003 | 8112 | 0.7 % | |
 | Windows 2000 | 16257 | 1.4 % | |
 | Windows 3.xx | 393 | 0 % | |
| BSD | 40 | 0 % | ||
 | OpenBSD | 18 | 0 % | |
 | NetBSD | 2 | 0 % | |
 | FreeBSD | 20 | 0 % | |
| Linux | 23895 | 2.2 % | ||
 | Ubuntu | 7120 | 0.6 % | |
 | Suse | 456 | 0 % | |
 | Red Hat | 989 | 0 % | |
 | Mandriva (or Mandrake) | 67 | 0 % | |
 | Fedora | 718 | 0 % | |
 | Debian | 649 | 0 % | |
 | Centos | 202 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 13694 | 1.2 % | |
| Macintosh | 117016 | 10.7 % | ||
 | Mac OS X | 116961 | 10.7 % | |
 | Mac OS | 55 | 0 % | |
| Others | 62590 | 5.7 % | ||
 | Unknown | 59185 | 5.4 % | |
 | Symbian OS | 1430 | 0.1 % | |
 | Sony PlayStation Portable | 1371 | 0.1 % | |
 | Unknown Unix system | 548 | 0 % | |
 | Sun Solaris | 45 | 0 % | |
 | WebTV | 6 | 0 % | |
 | OS/2 | 2 | 0 % | |
 | AmigaOS | 2 | 0 % | |
 | Irix | 1 | 0 % | |