| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 374452 | 77.9 % | ||
 | Windows XP | 223188 | 46.4 % |  |
 | Windows NT | 119508 | 24.8 % | |
 | Windows Me | 109 | 0 % | |
 | Windows Vista | 25963 | 5.4 % | |
 | Windows CE | 1100 | 0.2 % | |
 | Windows 98 | 1758 | 0.3 % | |
 | Windows 95 | 102 | 0 % | |
 | Windows 2003 | 1616 | 0.3 % | |
 | Windows 2000 | 1094 | 0.2 % | |
 | Windows 3.xx | 14 | 0 % | |
| BSD | 7 | 0 % | ||
 | OpenBSD | 1 | 0 % | |
 | FreeBSD | 6 | 0 % | |
| Linux | 20340 | 4.2 % | ||
 | Ubuntu | 3525 | 0.7 % | |
 | Suse | 74 | 0 % | |
 | Red Hat | 390 | 0 % | |
 | Mandriva (or Mandrake) | 12 | 0 % | |
 | Fedora | 196 | 0 % | |
 | Debian | 123 | 0 % | |
 | Centos | 1324 | 0.2 % | |
 | GNU Linux (Unknown or unspecified distribution) | 14696 | 3 % | |
| Macintosh | 53905 | 11.2 % | ||
 | Mac OS X | 53880 | 11.2 % | |
 | Mac OS | 25 | 0 % | |
| Others | 31532 | 6.5 % | ||
 | Unknown | 31112 | 6.4 % | |
 | Symbian OS | 308 | 0 % | |
 | Sony PlayStation Portable | 67 | 0 % | |
 | Unknown Unix system | 32 | 0 % | |
 | Sun Solaris | 9 | 0 % | |
 | Irix | 2 | 0 % | |
 | OS/2 | 1 | 0 % | |
 | CPM | 1 | 0 % | |