| Versions | Hits | Percent | |
| WIN | 1238085 | 61 % | |
 | Windows XP | 1105799 | 54.5 % | 
|
 | Windows NT | 4235 | 0.2 % | 
|
 | Windows Me | 9306 | 0.4 % | 
|
 | Windows Codename Longhorn | 1966 | 0 % | 
|
 | Windows CE | 358 | 0 % | 
|
 | Windows 98 | 22642 | 1.1 % | 
|
 | Windows 95 | 597 | 0 % | 
|
 | Windows 2003 | 6952 | 0.3 % | 
|
 | Windows 2000 | 86229 | 4.2 % | 
|
 | Windows 3.xx | 1 | 0 % | 
|
| MAC | 121982 | 6 % | |
 | Mac OS X | 116950 | 5.7 % | 
|
 | Mac OS | 5032 | 0.2 % | 
|
| Others | 668471 | 32.9 % | |
 | Unknown | 609878 | 30 % | 
|
 | Linux | 56922 | 2.8 % | 
|
 | Unknown Unix system | 549 | 0 % | 
|
 | Sun Solaris | 477 | 0 % | 
|
 | FreeBSD | 282 | 0 % | 
|
 | WebTV | 203 | 0 % | 
|
 | Symbian OS | 53 | 0 % | 
|
 | OS/2 | 33 | 0 % | 
|
 | OpenBSD | 22 | 0 % | 
|
 | Aix | 16 | 0 % | 
|
 | Irix | 12 | 0 % | 
|
 | GNU | 9 | 0 % | 
|
 | HP Unix | 7 | 0 % | 
|
 | NetBSD | 4 | 0 % | 
|
 | CPM | 2 | 0 % | 
|
 | OSF Unix | 1 | 0 % | 
|
 | VMS | 1 | 0 % | 
|
|