| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 421372 | 79.7 % | ||
 | Windows XP | 133540 | 25.2 % |  |
 | Windows NT | 252778 | 47.8 % | |
 | Windows Me | 24 | 0 % | |
 | Windows Vista | 32397 | 6.1 % | |
 | Windows CE | 6 | 0 % | |
 | Windows 98 | 114 | 0 % | |
 | Windows 95 | 20 | 0 % | |
 | Windows 2003 | 1887 | 0.3 % | |
 | Windows 2000 | 525 | 0 % | |
 | Windows 3.xx | 81 | 0 % | |
| BSD | 4 | 0 % | ||
 | OpenBSD | 2 | 0 % | |
 | FreeBSD | 2 | 0 % | |
| Linux | 12467 | 2.3 % | ||
 | Ubuntu | 830 | 0.1 % | |
 | Suse | 81 | 0 % | |
 | Red Hat | 42 | 0 % | |
 | Mandriva (or Mandrake) | 58 | 0 % | |
 | Fedora | 2018 | 0.3 % | |
 | Debian | 11 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 9427 | 1.7 % | |
| Macintosh | 61913 | 11.7 % | ||
 | Mac OS X | 61908 | 11.7 % | |
 | Mac OS | 5 | 0 % | |
| Others | 32575 | 6.1 % | ||
 | Unknown | 32182 | 6 % | |
 | Symbian OS | 392 | 0 % | |
 | Unknown Unix system | 1 | 0 % | |