| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 387721 | 40.7 % | ||
 | Windows XP | 229189 | 24 % |  |
 | Windows NT | 125309 | 13.1 % | |
 | Windows Me | 141 | 0 % | |
 | Windows Vista | 26643 | 2.8 % | |
 | Windows CE | 1099 | 0.1 % | |
 | Windows 98 | 1921 | 0.2 % | |
 | Windows 95 | 122 | 0 % | |
 | Windows 2003 | 1767 | 0.1 % | |
 | Windows 2000 | 1514 | 0.1 % | |
 | Windows 3.xx | 16 | 0 % | |
| BSD | 18 | 0 % | ||
 | OpenBSD | 2 | 0 % | |
 | FreeBSD | 16 | 0 % | |
| Linux | 37629 | 3.9 % | ||
 | Ubuntu | 4410 | 0.4 % | |
 | Suse | 85 | 0 % | |
 | Red Hat | 460 | 0 % | |
 | Mandriva (or Mandrake) | 21 | 0 % | |
 | Fedora | 258 | 0 % | |
 | Debian | 147 | 0 % | |
 | Centos | 1351 | 0.1 % | |
 | GNU Linux (Unknown or unspecified distribution) | 30897 | 3.2 % | |
| Macintosh | 57338 | 6 % | ||
 | Mac OS X | 57308 | 6 % | |
 | Mac OS | 30 | 0 % | |
| Others | 468513 | 49.2 % | ||
 | Unknown | 468036 | 49.2 % | |
 | Symbian OS | 333 | 0 % | |
 | Sony PlayStation Portable | 68 | 0 % | |
 | Sun Solaris | 38 | 0 % | |
 | Unknown Unix system | 34 | 0 % | |
 | Irix | 2 | 0 % | |
 | OS/2 | 1 | 0 % | |
 | CPM | 1 | 0 % | |