| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 189787 | 61.1 % | ||
 | Windows XP | 113092 | 36.4 % |  |
 | Windows NT | 7926 | 2.5 % | |
 | Windows ME | 58 | 0 % | |
 | Windows Vista (LongHorn) | 51974 | 16.7 % | |
 | Windows Mobile | 3 | 0 % | |
 | Windows 98 | 12278 | 3.9 % | |
 | Windows 95 | 4 | 0 % | |
 | Windows 2003 | 2911 | 0.9 % | |
 | Windows 2000 | 1541 | 0.4 % | |
| Linux | 70663 | 22.7 % | ||
 | GNU Linux (Unknown or unspecified distribution) | 70663 | 22.7 % | |
| Macintosh | 9169 | 2.9 % | ||
 | Mac OS X | 9155 | 2.9 % | |
 | Mac OS | 14 | 0 % | |
| Others | 40653 | 13.1 % | ||
 | Unknown | 40166 | 12.9 % | |
 | FreeBSD | 204 | 0 % | |
 | Sun Solaris | 118 | 0 % | |
 | CPM | 37 | 0 % | |
 | OS/2 | 30 | 0 % | |
 | NetBSD | 22 | 0 % | |
 | Unknown Unix system | 20 | 0 % | |
 | Symbian OS | 18 | 0 % | |
 | OpenBSD | 18 | 0 % | |
 | Irix | 8 | 0 % | |
 | Aix | 8 | 0 % | |
 | GNU Hurd | 4 | 0 % | |