| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 156001 | 46.5 % | ||
 | Windows XP | 54659 | 16.3 % |  |
 | Windows NT | 79363 | 23.6 % | |
 | Windows Me | 54 | 0 % | |
 | Windows Vista | 14065 | 4.1 % | |
 | Windows CE | 585 | 0.1 % | |
 | Windows 98 | 702 | 0.2 % | |
 | Windows 95 | 53 | 0 % | |
 | Windows 2003 | 872 | 0.2 % | |
 | Windows 2000 | 5636 | 1.6 % | |
 | Windows 3.xx | 12 | 0 % | |
| BSD | 169 | 0 % | ||
 | NetBSD | 165 | 0 % | |
 | FreeBSD | 4 | 0 % | |
| Linux | 26567 | 7.9 % | ||
 | Ubuntu | 12704 | 3.7 % | |
 | Suse | 124 | 0 % | |
 | Red Hat | 590 | 0.1 % | |
 | Mandriva (or Mandrake) | 9 | 0 % | |
 | Fedora | 269 | 0 % | |
 | Debian | 483 | 0.1 % | |
 | Centos | 175 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 12213 | 3.6 % | |
| Macintosh | 49399 | 14.7 % | ||
 | Mac OS X | 49394 | 14.7 % | |
 | Mac OS | 5 | 0 % | |
| Others | 103130 | 30.7 % | ||
 | Unknown | 102509 | 30.5 % | |
 | Unknown Unix system | 424 | 0.1 % | |
 | Symbian OS | 153 | 0 % | |
 | Sony PlayStation Portable | 25 | 0 % | |
 | Sun Solaris | 11 | 0 % | |
 | CPM | 4 | 0 % | |
 | BeOS | 3 | 0 % | |
 | OS/2 | 1 | 0 % | |