| Versions | Hits | Percent | |
|---|
| WIN | 2275372 | 85.1 % | |
 | Windows XP | 2079984 | 77.8 % | 
|
 | Windows NT | 2783 | 0.1 % |
|
 | Windows Me | 10963 | 0.4 % |
|
 | Windows Codename Longhorn | 26160 | 0.9 % |
|
 | Windows CE | 826 | 0 % |
|
 | Windows 98 | 28549 | 1 % |
|
 | Windows 95 | 638 | 0 % |
|
 | Windows 2003 | 24938 | 0.9 % |
|
 | Windows 2000 | 100526 | 3.7 % |
|
 | Windows 3.xx | 5 | 0 % |
|
| MAC | 204908 | 7.6 % | |
 | Mac OS X | 201931 | 7.5 % |
|
 | Mac OS | 2977 | 0.1 % |
|
| Others | 192738 | 7.2 % | |
 | Linux | 119091 | 4.4 % |
|
 | Unknown | 69712 | 2.6 % |
|
 | FreeBSD | 1872 | 0 % |
|
 | Sun Solaris | 732 | 0 % |
|
 | Unknown Unix system | 550 | 0 % |
|
 | OpenBSD | 237 | 0 % |
|
 | Symbian OS | 180 | 0 % |
|
 | NetBSD | 121 | 0 % |
|
 | OS/2 | 52 | 0 % |
|
 | WebTV | 50 | 0 % |
|
 | HP Unix | 43 | 0 % |
|
 | Irix | 38 | 0 % |
|
 | BeOS | 25 | 0 % |
|
 | AmigaOS | 12 | 0 % |
|
 | OSF Unix | 11 | 0 % |
|
 | GNU | 5 | 0 % |
|
 | VMS | 3 | 0 % |
|
 | RISC OS | 2 | 0 % |
|
 | Aix | 2 | 0 % |
|
|