| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 4261742 | 81.8 % | ||
 | Windows XP | 3231087 | 62 % |  |
 | Windows Vista | 14 | 0 % | |
 | Windows (unknown version) | 10180 | 0.1 % | |
 | Windows NT | 1343 | 0 % | |
 | Windows ME | 270 | 0 % | |
 | Windows Vista (LongHorn) | 508361 | 9.7 % | |
 | Windows Mobile | 524 | 0 % | |
 | Windows 98 | 884 | 0 % | |
 | Windows 95 | 294 | 0 % | |
 | Windows 2008 | 469899 | 9 % | |
 | Windows 2003 | 12838 | 0.2 % | |
 | Windows 2000 | 25965 | 0.4 % | |
 | Windows 3.xx | 83 | 0 % | |
| Linux | 38045 | 0.7 % | ||
 | Ubuntu | 10051 | 0.1 % | |
 | Suse | 37 | 0 % | |
 | Red Hat | 3 | 0 % | |
 | Mandriva (or Mandrake) | 78 | 0 % | |
 | Fedora | 1203 | 0 % | |
 | Debian | 1880 | 0 % | |
 | Centos | 127 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 24666 | 0.4 % | |
| Macintosh | 837286 | 16 % | ||
 | Mac OS X | 837286 | 16 % | |
| Others | 72735 | 1.3 % | ||
 | Unknown | 71863 | 1.3 % | |
 | Unknown Unix system | 478 | 0 % | |
 | Nintendo Wii | 193 | 0 % | |
 | Symbian OS | 130 | 0 % | |
 | Sony PlayStation Portable | 71 | 0 % | |