| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 3022125 | 75.6 % | ||
 | Windows XP | 485693 | 12.1 % |  |
 | Windows NT | 2085622 | 52.2 % | |
 | Windows Me | 157 | 0 % | |
 | Windows Vista | 438024 | 10.9 % | |
 | Windows CE | 2185 | 0 % | |
 | Windows 98 | 1318 | 0 % | |
 | Windows 95 | 175 | 0 % | |
 | Windows 2003 | 6293 | 0.1 % | |
 | Windows 2000 | 2617 | 0 % | |
 | Windows 3.xx | 41 | 0 % | |
| BSD | 255 | 0 % | ||
 | OpenBSD | 172 | 0 % | |
 | GNU/kFreeBSD | 3 | 0 % | |
 | FreeBSD | 80 | 0 % | |
| Linux | 142131 | 3.5 % | ||
 | Ubuntu | 6490 | 0.1 % | |
 | Suse | 201 | 0 % | |
 | Red Hat | 53 | 0 % | |
 | Mandriva (or Mandrake) | 11 | 0 % | |
 | Fedora | 363 | 0 % | |
 | Debian | 100 | 0 % | |
 | Centos | 21 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 134892 | 3.3 % | |
| Macintosh | 684753 | 17.1 % | ||
 | Mac OS X | 684727 | 17.1 % | |
 | Mac OS | 26 | 0 % | |
| Others | 143243 | 3.5 % | ||
 | Unknown | 141251 | 3.5 % | |
 | Unknown Unix system | 786 | 0 % | |
 | Symbian OS | 657 | 0 % | |
 | Sun Solaris | 456 | 0 % | |
 | Sony PlayStation Portable | 79 | 0 % | |
 | OS/2 | 7 | 0 % | |
 | BeOS | 6 | 0 % | |
 | HP UX | 1 | 0 % | |