| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 643989 | 78.2 % | ||
 | Windows XP | 480751 | 58.4 % |  |
 | Windows NT | 3743 | 0.4 % | |
 | Windows Me | 949 | 0.1 % | |
 | Windows Vista | 104081 | 12.6 % | |
 | Windows CE | 276 | 0 % | |
 | Windows 98 | 23491 | 2.8 % | |
 | Windows 95 | 100 | 0 % | |
 | Windows 2003 | 5349 | 0.6 % | |
 | Windows 2000 | 25235 | 3 % | |
 | Windows 3.xx | 14 | 0 % | |
| BSD | 139 | 0 % | ||
 | OpenBSD | 3 | 0 % | |
 | NetBSD | 2 | 0 % | |
 | BSDi | 1 | 0 % | |
 | FreeBSD | 133 | 0 % | |
| Linux | 28881 | 3.5 % | ||
 | Ubuntu | 7727 | 0.9 % | |
 | Suse | 570 | 0 % | |
 | Red Hat | 247 | 0 % | |
 | Mandriva (or Mandrake) | 82 | 0 % | |
 | Fedora | 1057 | 0.1 % | |
 | Debian | 1788 | 0.2 % | |
 | Centos | 131 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 17279 | 2 % | |
| Macintosh | 59344 | 7.2 % | ||
 | Mac OS X | 58879 | 7.1 % | |
 | Mac OS | 465 | 0 % | |
| Others | 90745 | 11 % | ||
 | Unknown | 85828 | 10.4 % | |
 | Unknown Unix system | 4115 | 0.4 % | |
 | Sony PlayStation Portable | 270 | 0 % | |
 | Symbian OS | 169 | 0 % | |
 | Sun Solaris | 168 | 0 % | |
 | WebTV | 100 | 0 % | |
 | AmigaOS | 42 | 0 % | |
 | CPM | 36 | 0 % | |
 | OS/2 | 9 | 0 % | |
 | Aix | 6 | 0 % | |
 | OSF Unix | 1 | 0 % | |
 | Irix | 1 | 0 % | |