| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 13487798 | 79.8 % | ||
 | Windows XP | 9716357 | 57.5 % |  |
 | Windows Vista | 289 | 0 % | |
 | Windows (unknown version) | 27680 | 0.1 % | |
 | Windows NT | 5184 | 0 % | |
 | Windows ME | 720 | 0 % | |
 | Windows Vista (LongHorn) | 1047602 | 6.1 % | |
 | Windows Mobile | 1759 | 0 % | |
 | Windows 98 | 1455 | 0 % | |
 | Windows 95 | 682 | 0 % | |
 | Windows 2008 | 2636917 | 15.6 % | |
 | Windows 2003 | 37316 | 0.2 % | |
 | Windows 2000 | 11602 | 0 % | |
 | Windows 3.xx | 235 | 0 % | |
| BSD | 8 | 0 % | ||
 | OpenBSD | 1 | 0 % | |
 | FreeBSD | 7 | 0 % | |
| Linux | 330706 | 1.9 % | ||
 | Ubuntu | 31206 | 0.1 % | |
 | Suse | 175 | 0 % | |
 | Red Hat | 30 | 0 % | |
 | Mandriva (or Mandrake) | 1 | 0 % | |
 | Gentoo | 108 | 0 % | |
 | Fedora | 7796 | 0 % | |
 | Debian | 797 | 0 % | |
 | Centos | 509 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 290084 | 1.7 % | |
| Macintosh | 2687415 | 15.9 % | ||
 | Mac OS X | 2687411 | 15.9 % | |
 | Mac OS | 4 | 0 % | |
| Others | 390956 | 2.3 % | ||
 | Unknown | 383525 | 2.2 % | |
 | Unknown Unix system | 4823 | 0 % | |
 | Nintendo Wii | 1073 | 0 % | |
 | Symbian OS | 707 | 0 % | |
 | Sony PlayStation Portable | 549 | 0 % | |
 | OS/2 | 226 | 0 % | |
 | Sun Solaris | 51 | 0 % | |
 | OSF Unix | 1 | 0 % | |
 | Irix | 1 | 0 % | |