| バージョン | 件数 | パーセント | ||
|---|---|---|---|---|
| WIN | 409419 | 57.3 % | ||
 | Windows XP | 287281 | 40.2 % |  |
 | Windows NT | 2436 | 0.3 % | |
 | Windows Me | 16689 | 2.3 % | |
 | Windows Codename Longhorn | 2 | 0 % | |
 | Windows CE | 31 | 0 % | |
 | Windows 98 | 38221 | 5.3 % | |
 | Windows 95 | 835 | 0.1 % | |
 | Windows 2003 | 310 | 0 % | |
 | Windows 2000 | 63613 | 8.9 % | |
 | Windows 3.xx | 1 | 0 % | |
| MAC | 13380 | 1.8 % | ||
 | Mac OS X | 6568 | 0.9 % | |
 | Mac OS | 6812 | 0.9 % | |
| その他 | 291283 | 40.7 % | ||
 | 不明 | 290771 | 40.7 % | |
 | Linux | 412 | 0 % | |
 | CPM | 60 | 0 % | |
 | Sun Solaris | 21 | 0 % | |
 | FreeBSD | 11 | 0 % | |
 | Irix | 3 | 0 % | |
 | OS/2 | 2 | 0 % | |
 | Symbian OS | 1 | 0 % | |
 | Unknown Unix system | 1 | 0 % | |
 | OpenBSD | 1 | 0 % | |