| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 4308899 | 85.4 % | ||
 | Windows XP | 968148 | 19.1 % |  |
 | Windows Vista | 464526 | 9.2 % | |
 | Windows (unknown version) | 17302 | 0.3 % | |
 | Windows NT | 1815 | 0 % | |
 | Windows Vista (LongHorn) | 47270 | 0.9 % | |
 | Windows Mobile | 91 | 0 % | |
 | Windows 98 | 1561 | 0 % | |
 | Windows 95 | 32 | 0 % | |
 | Windows 2008 | 2802555 | 55.5 % | |
 | Windows 2003 | 4533 | 0 % | |
 | Windows 2000 | 1066 | 0 % | |
| Linux | 382531 | 7.5 % | ||
 | Ubuntu | 493 | 0 % | |
 | Suse | 24 | 0 % | |
 | Mandriva (or Mandrake) | 7 | 0 % | |
 | Fedora | 6 | 0 % | |
 | Google Android | 209594 | 4.1 % | |
 | GNU Linux (Unknown or unspecified distribution) | 172407 | 3.4 % | |
| Macintosh | 242159 | 4.8 % | ||
 | Mac OS X | 242159 | 4.8 % | |
| Others | 109021 | 2.1 % | ||
 | Unknown | 96215 | 1.9 % | |
 | Java Mobile | 11843 | 0.2 % | |
 | Symbian OS | 707 | 0 % | |
 | Java | 208 | 0 % | |
 | Unknown Unix system | 48 | 0 % | |