| Versions | Hits | Percent | |
|---|
| WIN | 271232300 | 92.1 % | |
 | Windows XP | 228327700 | 77.6 % | 
|
 | Windows NT | 138633 | 0 % |
|
 | Windows Me | 956904 | 0.3 % |
|
 | Windows Codename Longhorn | 24624548 | 8.3 % |
|
 | Windows CE | 13112 | 0 % |
|
 | Windows 98 | 6478566 | 2.2 % |
|
 | Windows 95 | 65141 | 0 % |
|
 | Windows 2003 | 1652063 | 0.5 % |
|
 | Windows 2000 | 8972538 | 3 % |
|
 | Windows 3.xx | 3095 | 0 % |
|
| MAC | 1331687 | 0.4 % | |
 | Mac OS X | 1304500 | 0.4 % |
|
 | Mac OS | 27187 | 0 % |
|
| Others | 21655780 | 7.3 % | |
 | Unknown | 16660695 | 5.6 % |
|
 | Linux | 4975056 | 1.6 % |
|
 | Sun Solaris | 9149 | 0 % |
|
 | Symbian OS | 6013 | 0 % |
|
 | GNU | 1592 | 0 % |
|
 | CPM | 1455 | 0 % |
|
 | Unknown Unix system | 796 | 0 % |
|
 | FreeBSD | 577 | 0 % |
|
 | OpenBSD | 345 | 0 % |
|
 | OS/2 | 51 | 0 % |
|
 | WebTV | 25 | 0 % |
|
 | AmigaOS | 18 | 0 % |
|
 | BeOS | 3 | 0 % |
|
 | Irix | 2 | 0 % |
|
 | HP Unix | 1 | 0 % |
|
 | Dreamcast | 1 | 0 % |
|
 | OSF Unix | 1 | 0 % |
|
|