| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 741541 | 78.9 % | ||
 | Windows XP | 381751 | 40.6 % |  |
 | Windows NT | 217619 | 23.1 % | |
 | Windows Me | 201 | 0 % | |
 | Windows Vista | 129922 | 13.8 % | |
 | Windows CE | 310 | 0 % | |
 | Windows 98 | 3883 | 0.4 % | |
 | Windows 95 | 125 | 0 % | |
 | Windows 2003 | 4739 | 0.5 % | |
 | Windows 2000 | 2961 | 0.3 % | |
 | Windows 3.xx | 30 | 0 % | |
| BSD | 36 | 0 % | ||
 | OpenBSD | 7 | 0 % | |
 | NetBSD | 2 | 0 % | |
 | FreeBSD | 27 | 0 % | |
| Linux | 22383 | 2.3 % | ||
 | Ubuntu | 7780 | 0.8 % | |
 | Suse | 446 | 0 % | |
 | Red Hat | 557 | 0 % | |
 | Mandriva (or Mandrake) | 53 | 0 % | |
 | Fedora | 645 | 0 % | |
 | Debian | 287 | 0 % | |
 | Centos | 186 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 12429 | 1.3 % | |
| Macintosh | 117455 | 12.5 % | ||
 | Mac OS X | 117312 | 12.4 % | |
 | Mac OS | 143 | 0 % | |
| Others | 57698 | 6.1 % | ||
 | Unknown | 55179 | 5.8 % | |
 | Symbian OS | 1704 | 0.1 % | |
 | Sony PlayStation Portable | 652 | 0 % | |
 | Unknown Unix system | 97 | 0 % | |
 | Sun Solaris | 52 | 0 % | |
 | WebTV | 9 | 0 % | |
 | OSF Unix | 2 | 0 % | |
 | OS/2 | 1 | 0 % | |
 | VMS | 1 | 0 % | |
 | CPM | 1 | 0 % | |