| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 19749469 | 85 % | ||
 | Windows XP | 5014726 | 21.6 % |  |
 | Windows (unknown version) | 15597 | 0 % | |
 | Windows NT | 13197386 | 56.8 % | |
 | Windows Me | 483 | 0 % | |
 | Windows Vista | 1307834 | 5.6 % | |
 | Windows CE | 118 | 0 % | |
 | Windows 98 | 21 | 0 % | |
 | Windows 95 | 194 | 0 % | |
 | Windows 2003 | 90739 | 0.3 % | |
 | Windows 2000 | 122369 | 0.5 % | |
 | Windows 3.xx | 2 | 0 % | |
| BSD | 41 | 0 % | ||
 | OpenBSD | 14 | 0 % | |
 | FreeBSD | 27 | 0 % | |
| Linux | 991841 | 4.2 % | ||
 | Ubuntu | 38495 | 0.1 % | |
 | Suse | 84 | 0 % | |
 | Fedora | 74 | 0 % | |
 | Centos | 1 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 953187 | 4.1 % | |
| Macintosh | 1965775 | 8.4 % | ||
 | Mac OS X | 1965775 | 8.4 % | |
| Others | 501315 | 2.1 % | ||
 | Unknown | 493333 | 2.1 % | |
 | Symbian OS | 4317 | 0 % | |
 | OS/2 | 2311 | 0 % | |
 | Unknown Unix system | 1257 | 0 % | |
 | Sony PlayStation Portable | 97 | 0 % | |