| Versions | Hits | Percent | |
| Windows | 61,729 | 49.5 % | |
 | Windows XP | 18,532 | 14.8 % | 
|
 | Windows Vista | 725 | 0.5 % | 
|
 | Windows (unknown version) | 91 | 0 % | 
|
 | Windows NT | 90 | 0 % | 
|
 | Windows ME | 12 | 0 % | 
|
 | Windows Vista (LongHorn) | 3,336 | 2.6 % | 
|
 | Windows Mobile | 8 | 0 % | 
|
 | Windows 98 | 23 | 0 % | 
|
 | Windows 95 | 9 | 0 % | 
|
 | Windows 7 | 37,938 | 30.4 % | 
|
 | Windows 2003 | 796 | 0.6 % | 
|
 | Windows 2000 | 157 | 0.1 % | 
|
 | Windows 3.xx | 12 | 0 % | 
|
| BSD | 2,050 | 1.6 % | |
 | OpenBSD | 419 | 0.3 % | 
|
 | NetBSD | 140 | 0.1 % | 
|
 | FreeBSD | 1,491 | 1.1 % | 
|
| Linux | 33,648 | 26.9 % | |
 | Zenwalk GNU Linux | 5 | 0 % | 
|
 | Ubuntu | 3,028 | 2.4 % | 
|
 | Suse | 131 | 0.1 % | 
|
 | Red Hat | 65 | 0 % | 
|
 | PCLinuxOS | 39 | 0 % | 
|
 | Mandriva (or Mandrake) | 71 | 0 % | 
|
 | Gentoo | 13 | 0 % | 
|
 | Fedora | 234 | 0.1 % | 
|
 | Debian | 123 | 0 % | 
|
 | Centos | 62 | 0 % | 
|
 | Google Android | 2,428 | 1.9 % | 
|
 | GNU Linux (Unknown or unspecified distribution) | 27,449 | 22 % | 
|
| Macintosh | 23,506 | 18.8 % | |
 | Mac OS X | 23,505 | 18.8 % | 
|
 | Mac OS | 1 | 0 % | 
|
| Others | 3,711 | 2.9 % | |
 | Unknown | 3,222 | 2.5 % | 
|
 | Java Mobile | 126 | 0.1 % | 
|
 | BlackBerry | 96 | 0 % | 
|
 | Unknown Unix system | 77 | 0 % | 
|
 | Sun Solaris | 75 | 0 % | 
|
 | Java | 40 | 0 % | 
|
 | Symbian OS | 38 | 0 % | 
|
 | Sony PlayStation | 32 | 0 % | 
|
 | Irix | 4 | 0 % | 
|
 | OS/2 | 1 | 0 % | 
|
|