| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 1283924 | 72.3 % | ||
 | Windows XP | 777510 | 43.8 % |  |
 | Windows NT | 198546 | 11.1 % | |
 | Windows Me | 3221 | 0.1 % | |
 | Windows Vista | 252199 | 14.2 % | |
 | Windows CE | 790 | 0 % | |
 | Windows 98 | 5276 | 0.2 % | |
 | Windows 95 | 1847 | 0.1 % | |
 | Windows 2003 | 11669 | 0.6 % | |
 | Windows 2000 | 32412 | 1.8 % | |
 | Windows 3.xx | 454 | 0 % | |
| BSD | 59 | 0 % | ||
 | OpenBSD | 9 | 0 % | |
 | NetBSD | 3 | 0 % | |
 | FreeBSD | 47 | 0 % | |
| Linux | 32829 | 1.8 % | ||
 | Ubuntu | 13632 | 0.7 % | |
 | Suse | 960 | 0 % | |
 | Red Hat | 523 | 0 % | |
 | Mandriva (or Mandrake) | 119 | 0 % | |
 | Fedora | 1881 | 0.1 % | |
 | Debian | 1728 | 0 % | |
 | Centos | 212 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 13774 | 0.7 % | |
| Macintosh | 201776 | 11.3 % | ||
 | Mac OS X | 201479 | 11.3 % | |
 | Mac OS | 297 | 0 % | |
| Others | 256303 | 14.4 % | ||
 | Unknown | 253409 | 14.2 % | |
 | Symbian OS | 1279 | 0 % | |
 | Sony PlayStation Portable | 1041 | 0 % | |
 | Unknown Unix system | 417 | 0 % | |
 | Sun Solaris | 128 | 0 % | |
 | OS/2 | 8 | 0 % | |
 | CPM | 8 | 0 % | |
 | WebTV | 6 | 0 % | |
 | AmigaOS | 4 | 0 % | |
 | OSF Unix | 2 | 0 % | |
 | Aix | 1 | 0 % | |