| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 14841816 | 42.5 % | ||
 | Windows XP | 6721664 | 19.2 % |  |
 | Windows NT | 769949 | 2.2 % | |
 | Windows ME | 225928 | 0.6 % | |
 | Windows Vista (LongHorn) | 71 | 0 % | |
 | Windows Mobile | 609 | 0 % | |
 | Windows 98 | 3129054 | 8.9 % | |
 | Windows 95 | 96873 | 0.2 % | |
 | Windows 2003 | 115638 | 0.3 % | |
 | Windows 2000 | 3781285 | 10.8 % | |
 | Windows 3.xx | 745 | 0 % | |
| BSD | 7 | 0 % | ||
 | BSDi | 7 | 0 % | |
| Linux | 2741785 | 7.8 % | ||
 | GNU Linux (Unknown or unspecified distribution) | 2741785 | 7.8 % | |
| Macintosh | 475554 | 1.3 % | ||
 | Mac OS X | 363152 | 1 % | |
 | Mac OS | 112402 | 0.3 % | |
| Others | 16818189 | 48.2 % | ||
 | Unknown | 16463181 | 47.2 % | |
 | Sun Solaris | 224831 | 0.6 % | |
 | FreeBSD | 34256 | 0 % | |
 | Irix | 25704 | 0 % | |
 | Unknown Unix system | 21609 | 0 % | |
 | OSF Unix | 17851 | 0 % | |
 | hp-ux | 11143 | 0 % | |
 | Aix | 6858 | 0 % | |
 | OpenBSD | 2973 | 0 % | |
 | NetBSD | 2701 | 0 % | |
 | OS/2 | 1882 | 0 % | |
 | AmigaOS | 1359 | 0 % | |
 | CP/M | 1217 | 0 % | |
 | GNU Hurd | 1008 | 0 % | |
 | WebTV | 644 | 0 % | |
 | BeOS | 506 | 0 % | |
 | Symbian OS | 236 | 0 % | |
 | VMS | 122 | 0 % | |
 | RISC OS | 106 | 0 % | |
 | Dreamcast | 1 | 0 % | |
 | Atari | 1 | 0 % | |