| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 646954 | 92.4 % | ||
 | Windows XP | 477787 | 68.2 % |  |
 | Windows NT | 2389 | 0.3 % | |
 | Windows Me | 995 | 0.1 % | |
 | Windows Vista (Longhorn) | 130160 | 18.5 % | |
 | Windows CE | 275 | 0 % | |
 | Windows 98 | 1547 | 0.2 % | |
 | Windows 95 | 943 | 0.1 % | |
 | Windows 2003 | 2235 | 0.3 % | |
 | Windows 2000 | 30408 | 4.3 % | |
 | Windows 3.xx | 215 | 0 % | |
| BSD | 2 | 0 % | ||
 | FreeBSD | 2 | 0 % | |
| Linux | 6540 | 0.9 % | ||
 | Ubuntu | 962 | 0.1 % | |
 | Mandriva (or Mandrake) | 682 | 0 % | |
 | Fedora | 67 | 0 % | |
 | Debian | 506 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 4323 | 0.6 % | |
| Macintosh | 26718 | 3.8 % | ||
 | Mac OS X | 26712 | 3.8 % | |
 | Mac OS | 6 | 0 % | |
| Others | 19628 | 2.8 % | ||
 | Unknown | 19276 | 2.7 % | |
 | Unknown Unix system | 257 | 0 % | |
 | Symbian OS | 93 | 0 % | |
 | Sun Solaris | 2 | 0 % | |