| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 3020957 | 67.8 % | ||
 | Windows XP | 278813 | 6.2 % |  |
 | Windows NT | 2442905 | 54.8 % | |
 | Windows Me | 40 | 0 % | |
 | Windows Vista | 295030 | 6.6 % | |
 | Windows CE | 1721 | 0 % | |
 | Windows 98 | 404 | 0 % | |
 | Windows 95 | 11 | 0 % | |
 | Windows 2003 | 1624 | 0 % | |
 | Windows 2000 | 405 | 0 % | |
 | Windows 3.xx | 4 | 0 % | |
| BSD | 101 | 0 % | ||
 | OpenBSD | 85 | 0 % | |
 | FreeBSD | 16 | 0 % | |
| Linux | 245605 | 5.5 % | ||
 | Ubuntu | 6270 | 0.1 % | |
 | Suse | 552 | 0 % | |
 | Red Hat | 22 | 0 % | |
 | Mandriva (or Mandrake) | 2 | 0 % | |
 | Fedora | 49 | 0 % | |
 | Debian | 64 | 0 % | |
 | Centos | 96 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 238550 | 5.3 % | |
| Macintosh | 1116572 | 25 % | ||
 | Mac OS X | 1116554 | 25 % | |
 | Mac OS | 18 | 0 % | |
| Others | 68319 | 1.5 % | ||
 | Unknown | 66513 | 1.4 % | |
 | Unknown Unix system | 1033 | 0 % | |
 | OS/2 | 256 | 0 % | |
 | Sun Solaris | 249 | 0 % | |
 | Symbian OS | 237 | 0 % | |
 | Sony PlayStation Portable | 30 | 0 % | |
 | WebTV | 1 | 0 % | |