| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 395495 | 54.8 % | ||
 | Windows XP | 177085 | 24.5 % |  |
 | Windows NT | 144625 | 20 % | |
 | Windows Me | 95 | 0 % | |
 | Windows Vista | 59330 | 8.2 % | |
 | Windows CE | 132 | 0 % | |
 | Windows 98 | 3797 | 0.5 % | |
 | Windows 95 | 65 | 0 % | |
 | Windows 2003 | 2234 | 0.3 % | |
 | Windows 2000 | 8107 | 1.1 % | |
 | Windows 3.xx | 25 | 0 % | |
| BSD | 60 | 0 % | ||
 | OpenBSD | 13 | 0 % | |
 | FreeBSD | 47 | 0 % | |
| Linux | 20586 | 2.8 % | ||
 | Ubuntu | 8192 | 1.1 % | |
 | Suse | 389 | 0 % | |
 | Red Hat | 735 | 0.1 % | |
 | Mandriva (or Mandrake) | 67 | 0 % | |
 | Fedora | 554 | 0 % | |
 | Debian | 264 | 0 % | |
 | Centos | 99 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 10286 | 1.4 % | |
| Macintosh | 78041 | 10.8 % | ||
 | Mac OS X | 77998 | 10.8 % | |
 | Mac OS | 43 | 0 % | |
| Others | 226885 | 31.4 % | ||
 | Unknown | 225156 | 31.2 % | |
 | Unknown Unix system | 748 | 0.1 % | |
 | Symbian OS | 588 | 0 % | |
 | Sony PlayStation Portable | 382 | 0 % | |
 | Sun Solaris | 9 | 0 % | |
 | OS/2 | 1 | 0 % | |
 | CPM | 1 | 0 % | |