| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 282222 | 77.4 % | ||
 | Windows XP | 27911 | 7.6 % |  |
 | Windows Vista | 56063 | 15.3 % | |
 | Windows (unknown version) | 25 | 0 % | |
 | Windows NT | 37 | 0 % | |
 | Windows ME | 1 | 0 % | |
 | Windows Vista (LongHorn) | 8037 | 2.2 % | |
 | Windows 98 | 11 | 0 % | |
 | Windows 95 | 1 | 0 % | |
 | Windows 2008 | 181742 | 49.8 % | |
 | Windows 2003 | 666 | 0.1 % | |
 | Windows 2000 | 7728 | 2.1 % | |
| BSD | 21 | 0 % | ||
 | OpenBSD | 9 | 0 % | |
 | NetBSD | 1 | 0 % | |
 | FreeBSD | 11 | 0 % | |
| Linux | 42513 | 11.6 % | ||
 | Ubuntu | 663 | 0.1 % | |
 | Suse | 31 | 0 % | |
 | Red Hat | 11 | 0 % | |
 | Mandriva (or Mandrake) | 19 | 0 % | |
 | Fedora | 25 | 0 % | |
 | Debian | 17 | 0 % | |
 | Centos | 33 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 41714 | 11.4 % | |
| Macintosh | 24680 | 6.7 % | ||
 | Mac OS X | 24668 | 6.7 % | |
 | Mac OS | 12 | 0 % | |
| Others | 15041 | 4.1 % | ||
 | Unknown | 15030 | 4.1 % | |
 | Unknown Unix system | 10 | 0 % | |
 | Symbian OS | 1 | 0 % | |