| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 405958 | 75.2 % | ||
 | Windows XP | 93164 | 17.2 % |  |
 | Windows Vista | 14978 | 2.7 % | |
 | Windows (unknown version) | 4555 | 0.8 % | |
 | Windows NT | 307 | 0 % | |
 | Windows ME | 22 | 0 % | |
 | Windows Vista (LongHorn) | 18978 | 3.5 % | |
 | Windows Mobile | 28 | 0 % | |
 | Windows 98 | 308 | 0 % | |
 | Windows 95 | 20 | 0 % | |
 | Windows 2008 | 270948 | 50.1 % | |
 | Windows 2003 | 2004 | 0.3 % | |
 | Windows 2000 | 645 | 0.1 % | |
 | Windows 3.xx | 1 | 0 % | |
| BSD | 1 | 0 % | ||
 | FreeBSD | 1 | 0 % | |
| Linux | 32601 | 6 % | ||
 | Ubuntu | 1875 | 0.3 % | |
 | Suse | 206 | 0 % | |
 | Red Hat | 81 | 0 % | |
 | Mandriva (or Mandrake) | 28 | 0 % | |
 | Gentoo | 28 | 0 % | |
 | Fedora | 527 | 0 % | |
 | Debian | 83 | 0 % | |
 | Centos | 253 | 0 % | |
 | Google Android | 4873 | 0.9 % | |
 | GNU Linux (Unknown or unspecified distribution) | 24647 | 4.5 % | |
| Macintosh | 79758 | 14.7 % | ||
 | Mac OS X | 79752 | 14.7 % | |
 | Mac OS | 6 | 0 % | |
| Others | 21471 | 3.9 % | ||
 | Unknown | 17524 | 3.2 % | |
 | Java Mobile | 2323 | 0.4 % | |
 | BlackBerry | 778 | 0.1 % | |
 | Java | 498 | 0 % | |
 | Symbian OS | 181 | 0 % | |
 | Unknown Unix system | 102 | 0 % | |
 | Sony PlayStation | 34 | 0 % | |
 | Sun Solaris | 26 | 0 % | |
 | HP UX | 2 | 0 % | |
 | iPhone OS (iPhone/iPod) | 1 | 0 % | |
 | RISC OS | 1 | 0 % | |
 | WebTV | 1 | 0 % | |