| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 1072278 | 79.1 % | ||
 | Windows XP | 697550 | 51.5 % |  |
 | Windows NT | 86471 | 6.3 % | |
 | Windows Me | 393 | 0 % | |
 | Windows Vista | 263872 | 19.4 % | |
 | Windows CE | 326 | 0 % | |
 | Windows 98 | 2037 | 0.1 % | |
 | Windows 95 | 169 | 0 % | |
 | Windows 2003 | 10395 | 0.7 % | |
 | Windows 2000 | 11046 | 0.8 % | |
 | Windows 3.xx | 19 | 0 % | |
| BSD | 101 | 0 % | ||
 | OpenBSD | 42 | 0 % | |
 | NetBSD | 3 | 0 % | |
 | FreeBSD | 56 | 0 % | |
| Linux | 34461 | 2.5 % | ||
 | Ubuntu | 15666 | 1.1 % | |
 | Suse | 1295 | 0 % | |
 | Red Hat | 755 | 0 % | |
 | Mandriva (or Mandrake) | 146 | 0 % | |
 | Fedora | 1406 | 0.1 % | |
 | Debian | 2288 | 0.1 % | |
 | Centos | 191 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 12714 | 0.9 % | |
| Macintosh | 121592 | 8.9 % | ||
 | Mac OS X | 121372 | 8.9 % | |
 | Mac OS | 220 | 0 % | |
| Others | 125691 | 9.2 % | ||
 | Unknown | 122801 | 9 % | |
 | Sony PlayStation Portable | 1676 | 0.1 % | |
 | Symbian OS | 968 | 0 % | |
 | Unknown Unix system | 114 | 0 % | |
 | Sun Solaris | 66 | 0 % | |
 | AmigaOS | 31 | 0 % | |
 | Aix | 15 | 0 % | |
 | WebTV | 7 | 0 % | |
 | OS/2 | 5 | 0 % | |
 | CPM | 4 | 0 % | |
 | RISC OS | 2 | 0 % | |
 | BeOS | 2 | 0 % | |