| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 1068241 | 78.5 % | ||
 | Windows XP | 706103 | 51.9 % |  |
 | Windows NT | 152212 | 11.1 % | |
 | Windows Me | 2302 | 0.1 % | |
 | Windows Vista | 166555 | 12.2 % | |
 | Windows CE | 764 | 0 % | |
 | Windows 98 | 6852 | 0.5 % | |
 | Windows 95 | 2519 | 0.1 % | |
 | Windows 2003 | 10811 | 0.7 % | |
 | Windows 2000 | 19246 | 1.4 % | |
 | Windows 3.xx | 877 | 0 % | |
| BSD | 101 | 0 % | ||
 | OpenBSD | 43 | 0 % | |
 | NetBSD | 6 | 0 % | |
 | FreeBSD | 52 | 0 % | |
| Linux | 19232 | 1.4 % | ||
 | Ubuntu | 6782 | 0.4 % | |
 | Suse | 481 | 0 % | |
 | Red Hat | 687 | 0 % | |
 | Mandriva (or Mandrake) | 135 | 0 % | |
 | Fedora | 751 | 0 % | |
 | Debian | 742 | 0 % | |
 | Centos | 129 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 9525 | 0.7 % | |
| Macintosh | 217631 | 15.9 % | ||
 | Mac OS X | 217524 | 15.9 % | |
 | Mac OS | 107 | 0 % | |
| Others | 55230 | 4 % | ||
 | Unknown | 52304 | 3.8 % | |
 | Symbian OS | 1198 | 0 % | |
 | Sony PlayStation Portable | 1006 | 0 % | |
 | Unknown Unix system | 628 | 0 % | |
 | Sun Solaris | 78 | 0 % | |
 | Aix | 4 | 0 % | |
 | AmigaOS | 3 | 0 % | |
 | BeOS | 3 | 0 % | |
 | OS/2 | 2 | 0 % | |
 | CPM | 2 | 0 % | |
 | RISC OS | 1 | 0 % | |
 | WebTV | 1 | 0 % | |