| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 380764 | 74.4 % | ||
 | Windows XP | 173981 | 34 % |  |
 | Windows NT | 140649 | 27.5 % | |
 | Windows Me | 72 | 0 % | |
 | Windows Vista | 58777 | 11.4 % | |
 | Windows CE | 128 | 0 % | |
 | Windows 98 | 3756 | 0.7 % | |
 | Windows 95 | 56 | 0 % | |
 | Windows 2003 | 2108 | 0.4 % | |
 | Windows 2000 | 1212 | 0.2 % | |
 | Windows 3.xx | 25 | 0 % | |
| BSD | 54 | 0 % | ||
 | OpenBSD | 13 | 0 % | |
 | FreeBSD | 41 | 0 % | |
| Linux | 17556 | 3.4 % | ||
 | Ubuntu | 7010 | 1.3 % | |
 | Suse | 371 | 0 % | |
 | Red Hat | 729 | 0.1 % | |
 | Mandriva (or Mandrake) | 62 | 0 % | |
 | Fedora | 498 | 0 % | |
 | Debian | 225 | 0 % | |
 | Centos | 68 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 8593 | 1.6 % | |
| Macintosh | 76911 | 15 % | ||
 | Mac OS X | 76872 | 15 % | |
 | Mac OS | 39 | 0 % | |
| Others | 36119 | 7 % | ||
 | Unknown | 34396 | 6.7 % | |
 | Unknown Unix system | 748 | 0.1 % | |
 | Symbian OS | 582 | 0.1 % | |
 | Sony PlayStation Portable | 382 | 0 % | |
 | Sun Solaris | 9 | 0 % | |
 | OS/2 | 1 | 0 % | |
 | CPM | 1 | 0 % | |