| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 5662275 | 90.4 % | ||
 | Windows XP | 4542268 | 72.5 % |  |
 | Windows (unknown version) | 5534 | 0 % | |
 | Windows NT | 972 | 0 % | |
 | Windows ME | 1137 | 0 % | |
 | Windows Vista (LongHorn) | 843047 | 13.4 % | |
 | Windows Mobile | 643 | 0 % | |
 | Windows 98 | 1072 | 0 % | |
 | Windows 95 | 178 | 0 % | |
 | Windows 2008 | 220031 | 3.5 % | |
 | Windows 2003 | 27008 | 0.4 % | |
 | Windows 2000 | 20246 | 0.3 % | |
 | Windows 3.xx | 139 | 0 % | |
| BSD | 43 | 0 % | ||
 | FreeBSD | 43 | 0 % | |
| Linux | 32057 | 0.5 % | ||
 | Ubuntu | 7048 | 0.1 % | |
 | Suse | 191 | 0 % | |
 | Mandriva (or Mandrake) | 642 | 0 % | |
 | Fedora | 861 | 0 % | |
 | Debian | 1378 | 0 % | |
 | Centos | 95 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 21842 | 0.3 % | |
| Macintosh | 520526 | 8.3 % | ||
 | Mac OS X | 520524 | 8.3 % | |
 | Mac OS | 2 | 0 % | |
| Others | 46998 | 0.7 % | ||
 | Unknown | 46828 | 0.7 % | |
 | Unknown Unix system | 65 | 0 % | |
 | Symbian OS | 60 | 0 % | |
 | Nintendo Wii | 25 | 0 % | |
 | Sony PlayStation Portable | 16 | 0 % | |
 | OS/2 | 3 | 0 % | |
 | BeOS | 1 | 0 % | |