| Versions | Hits | Percent | |
|---|
| Windows | 375,989 | 89.9 % | |
 | Windows XP | 191,138 | 45.7 % | 
|
 | Windows Vista | 282 | 0 % |
|
 | Windows (unknown version) | 11 | 0 % |
|
 | Windows NT | 129 | 0 % |
|
 | Windows ME | 21 | 0 % |
|
 | Windows Vista (LongHorn) | 7,078 | 1.6 % |
|
 | Windows Mobile | 186 | 0 % |
|
 | Windows 98 | 263 | 0 % |
|
 | Windows 95 | 14 | 0 % |
|
 | Windows 7 | 136,889 | 32.7 % |
|
 | Windows 2003 | 2,255 | 0.5 % |
|
 | Windows 2000 | 37,723 | 9 % |
|
| Linux | 12,175 | 2.9 % | |
 | Ubuntu | 2,992 | 0.7 % |
|
 | Suse | 51 | 0 % |
|
 | Fedora | 21 | 0 % |
|
 | Debian | 16 | 0 % |
|
 | Centos | 50 | 0 % |
|
 | ASPLinux | 2 | 0 % |
|
 | Google Android | 1,099 | 0.2 % |
|
 | GNU Linux (Unknown or unspecified distribution) | 7,944 | 1.9 % |
|
| Macintosh | 3,467 | 0.8 % | |
 | Mac OS X | 3,467 | 0.8 % |
|
| Others | 26,472 | 6.3 % | |
 | Unknown | 24,137 | 5.7 % |
|
 | Java Mobile | 2,163 | 0.5 % |
|
 | Symbian OS | 130 | 0 % |
|
 | Unknown Unix system | 39 | 0 % |
|
 | BlackBerry | 3 | 0 % |
|
|