| Versions | Hits | Percent | |
|---|
| Windows | 420,589 | 93.3 % | |
 | Windows XP | 245,002 | 54.3 % | 
|
 | Windows Vista | 155 | 0 % |
|
 | Windows (unknown version) | 71 | 0 % |
|
 | Windows NT | 135 | 0 % |
|
 | Windows ME | 194 | 0 % |
|
 | Windows Vista (LongHorn) | 11,476 | 2.5 % |
|
 | Windows Mobile | 414 | 0 % |
|
 | Windows 98 | 220 | 0 % |
|
 | Windows 95 | 19 | 0 % |
|
 | Windows 7 | 159,646 | 35.4 % |
|
 | Windows 2003 | 2,213 | 0.4 % |
|
 | Windows 2000 | 1,033 | 0.2 % |
|
 | Windows 3.xx | 11 | 0 % |
|
| BSD | 36 | 0 % | |
 | FreeBSD | 36 | 0 % |
|
| Linux | 20,367 | 4.5 % | |
 | Ubuntu | 725 | 0.1 % |
|
 | Suse | 69 | 0 % |
|
 | Red Hat | 48 | 0 % |
|
 | Mandriva (or Mandrake) | 60 | 0 % |
|
 | Fedora | 67 | 0 % |
|
 | Debian | 62 | 0 % |
|
 | ASPLinux | 53 | 0 % |
|
 | Google Android | 1,653 | 0.3 % |
|
 | GNU Linux (Unknown or unspecified distribution) | 17,630 | 3.9 % |
|
| Macintosh | 5,741 | 1.2 % | |
 | Mac OS X | 5,741 | 1.2 % |
|
| Others | 3,689 | 0.8 % | |
 | Unknown | 2,169 | 0.4 % |
|
 | Java Mobile | 1,515 | 0.3 % |
|
 | Symbian OS | 2 | 0 % |
|
 | Sun Solaris | 2 | 0 % |
|
 | Unknown Unix system | 1 | 0 % |
|
|