| バージョン | 件数 | パーセント | ||
|---|---|---|---|---|
| WIN | 524457 | 34.6 % | ||
 | Windows XP | 399181 | 26.3 % |  |
 | Windows NT | 440 | 0 % | |
 | Windows Me | 7543 | 0.4 % | |
 | Windows Codename Longhorn | 72703 | 4.8 % | |
 | Windows CE | 386 | 0 % | |
 | Windows 98 | 7528 | 0.4 % | |
 | Windows 95 | 76 | 0 % | |
 | Windows 2003 | 1282 | 0 % | |
 | Windows 2000 | 35315 | 2.3 % | |
 | Windows 3.xx | 3 | 0 % | |
| MAC | 12779 | 0.8 % | ||
 | Mac OS X | 11086 | 0.7 % | |
 | Mac OS | 1693 | 0.1 % | |
| その他 | 975702 | 64.4 % | ||
 | 不明 | 975310 | 64.4 % | |
 | Linux | 362 | 0 % | |
 | FreeBSD | 11 | 0 % | |
 | Sun Solaris | 9 | 0 % | |
 | Symbian OS | 6 | 0 % | |
 | RISC OS | 2 | 0 % | |
 | Unknown Unix system | 1 | 0 % | |
 | CPM | 1 | 0 % | |