| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 162608 | 79.1 % | ||
 | Windows XP | 111505 | 54.2 % |  |
 | Windows (unknown version) | 621 | 0.3 % | |
 | Windows NT | 206 | 0.1 % | |
 | Windows ME | 16 | 0 % | |
 | Windows Vista (LongHorn) | 24007 | 11.6 % | |
 | Windows Mobile | 1 | 0 % | |
 | Windows 98 | 353 | 0.1 % | |
 | Windows 95 | 11 | 0 % | |
 | Windows 2008 | 11607 | 5.6 % | |
 | Windows 2003 | 1679 | 0.8 % | |
 | Windows 2000 | 12601 | 6.1 % | |
 | Windows 3.xx | 1 | 0 % | |
| BSD | 1 | 0 % | ||
 | FreeBSD | 1 | 0 % | |
| Linux | 12408 | 6 % | ||
 | Ubuntu | 6752 | 3.2 % | |
 | Suse | 621 | 0.3 % | |
 | Red Hat | 557 | 0.2 % | |
 | PCLinuxOS | 17 | 0 % | |
 | Mandriva (or Mandrake) | 131 | 0 % | |
 | Gentoo | 38 | 0 % | |
 | Fedora | 765 | 0.3 % | |
 | Debian | 479 | 0.2 % | |
 | Centos | 228 | 0.1 % | |
 | Google Android | 57 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 2763 | 1.3 % | |
| Macintosh | 12972 | 6.3 % | ||
 | Mac OS X | 12969 | 6.3 % | |
 | Mac OS | 3 | 0 % | |
| Others | 17558 | 8.5 % | ||
 | Unknown | 17229 | 8.3 % | |
 | Sun Solaris | 122 | 0 % | |
 | Java Mobile | 117 | 0 % | |
 | BlackBerry | 47 | 0 % | |
 | Symbian OS | 41 | 0 % | |
 | OS/2 | 2 | 0 % | |