| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 619136 | 59.9 % | ||
 | Windows XP | 318998 | 30.8 % |  |
 | Windows NT | 184575 | 17.8 % | |
 | Windows Me | 245 | 0 % | |
 | Windows Vista | 93695 | 9 % | |
 | Windows CE | 204 | 0 % | |
 | Windows 98 | 8932 | 0.8 % | |
 | Windows 95 | 115 | 0 % | |
 | Windows 2003 | 2916 | 0.2 % | |
 | Windows 2000 | 9419 | 0.9 % | |
 | Windows 3.xx | 37 | 0 % | |
| BSD | 62 | 0 % | ||
 | OpenBSD | 1 | 0 % | |
 | NetBSD | 1 | 0 % | |
 | FreeBSD | 60 | 0 % | |
| Linux | 27116 | 2.6 % | ||
 | Ubuntu | 10212 | 0.9 % | |
 | Suse | 283 | 0 % | |
 | Red Hat | 511 | 0 % | |
 | Mandriva (or Mandrake) | 54 | 0 % | |
 | Fedora | 356 | 0 % | |
 | Debian | 330 | 0 % | |
 | Centos | 116 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 15254 | 1.4 % | |
| Macintosh | 99610 | 9.6 % | ||
 | Mac OS X | 99582 | 9.6 % | |
 | Mac OS | 28 | 0 % | |
| Others | 286863 | 27.7 % | ||
 | Unknown | 284722 | 27.5 % | |
 | Symbian OS | 1293 | 0.1 % | |
 | Sony PlayStation Portable | 650 | 0 % | |
 | Sun Solaris | 110 | 0 % | |
 | Unknown Unix system | 72 | 0 % | |
 | CPM | 7 | 0 % | |
 | WebTV | 5 | 0 % | |
 | BeOS | 2 | 0 % | |
 | OS/2 | 1 | 0 % | |
 | AmigaOS | 1 | 0 % | |