| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 9179482 | 84.5 % | ||
 | Windows XP | 7292828 | 67.1 % |  |
 | Windows Vista | 18 | 0 % | |
 | Windows (unknown version) | 10591 | 0 % | |
 | Windows NT | 2686 | 0 % | |
 | Windows ME | 594 | 0 % | |
 | Windows Vista (LongHorn) | 825595 | 7.6 % | |
 | Windows Mobile | 1138 | 0 % | |
 | Windows 98 | 1420 | 0 % | |
 | Windows 95 | 332 | 0 % | |
 | Windows 2008 | 1014766 | 9.3 % | |
 | Windows 2003 | 12137 | 0.1 % | |
 | Windows 2000 | 17265 | 0.1 % | |
 | Windows 3.xx | 112 | 0 % | |
| BSD | 58 | 0 % | ||
 | OpenBSD | 1 | 0 % | |
 | FreeBSD | 57 | 0 % | |
| Linux | 148553 | 1.3 % | ||
 | Ubuntu | 46769 | 0.4 % | |
 | Suse | 286 | 0 % | |
 | Red Hat | 36 | 0 % | |
 | Mandriva (or Mandrake) | 20 | 0 % | |
 | Gentoo | 11 | 0 % | |
 | Fedora | 498 | 0 % | |
 | Debian | 1541 | 0 % | |
 | Centos | 60 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 99332 | 0.9 % | |
| Macintosh | 1225645 | 11.2 % | ||
 | Mac OS X | 1225634 | 11.2 % | |
 | Mac OS | 11 | 0 % | |
| Others | 302429 | 2.7 % | ||
 | Unknown | 278881 | 2.5 % | |
 | Unknown Unix system | 21537 | 0.1 % | |
 | Nintendo Wii | 900 | 0 % | |
 | Symbian OS | 642 | 0 % | |
 | Sony PlayStation Portable | 395 | 0 % | |
 | OS/2 | 46 | 0 % | |
 | Sun Solaris | 27 | 0 % | |
 | AmigaOS | 1 | 0 % | |