| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 4707554 | 87.7 % | ||
 | Windows XP | 3943916 | 73.4 % |  |
 | Windows Vista | 23 | 0 % | |
 | Windows (unknown version) | 10573 | 0.1 % | |
 | Windows NT | 1096 | 0 % | |
 | Windows ME | 473 | 0 % | |
 | Windows Vista (LongHorn) | 415540 | 7.7 % | |
 | Windows Mobile | 123 | 0 % | |
 | Windows 98 | 614 | 0 % | |
 | Windows 95 | 104 | 0 % | |
 | Windows 2008 | 301457 | 5.6 % | |
 | Windows 2003 | 15695 | 0.2 % | |
 | Windows 2000 | 17881 | 0.3 % | |
 | Windows 3.xx | 59 | 0 % | |
| BSD | 40 | 0 % | ||
 | FreeBSD | 40 | 0 % | |
| Linux | 141270 | 2.6 % | ||
 | Ubuntu | 4200 | 0 % | |
 | Suse | 88 | 0 % | |
 | Mandriva (or Mandrake) | 619 | 0 % | |
 | Fedora | 1127 | 0 % | |
 | Debian | 943 | 0 % | |
 | Centos | 26 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 134267 | 2.5 % | |
| Macintosh | 461881 | 8.6 % | ||
 | Mac OS X | 461881 | 8.6 % | |
| Others | 55378 | 1 % | ||
 | Unknown | 54847 | 1 % | |
 | Unknown Unix system | 281 | 0 % | |
 | Nintendo Wii | 191 | 0 % | |
 | Sony PlayStation Portable | 34 | 0 % | |
 | Symbian OS | 24 | 0 % | |
 | Commodore 64 | 1 | 0 % | |