| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 584384 | 59.4 % | ||
 | Windows XP | 27032 | 2.7 % |  |
 | Windows Vista | 111921 | 11.3 % | |
 | Windows (unknown version) | 354 | 0 % | |
 | Windows NT | 105485 | 10.7 % | |
 | Windows ME | 489 | 0 % | |
 | Windows Vista (LongHorn) | 10099 | 1 % | |
 | Windows Mobile | 6 | 0 % | |
 | Windows 98 | 294 | 0 % | |
 | Windows 95 | 39 | 0 % | |
 | Windows 2008 | 327607 | 33.3 % | |
 | Windows 2003 | 973 | 0 % | |
 | Windows 2000 | 70 | 0 % | |
 | Windows 3.xx | 15 | 0 % | |
| BSD | 431 | 0 % | ||
 | OpenBSD | 59 | 0 % | |
 | NetBSD | 4 | 0 % | |
 | FreeBSD | 368 | 0 % | |
| Linux | 219095 | 22.2 % | ||
 | Ubuntu | 13607 | 1.3 % | |
 | Suse | 26 | 0 % | |
 | Red Hat | 18 | 0 % | |
 | Gentoo | 3 | 0 % | |
 | Fedora | 2 | 0 % | |
 | Debian | 41 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 205398 | 20.8 % | |
| Macintosh | 154619 | 15.7 % | ||
 | Mac OS X | 154612 | 15.7 % | |
 | Mac OS | 7 | 0 % | |
| Others | 25202 | 2.5 % | ||
 | Unknown | 23555 | 2.3 % | |
 | Unknown Unix system | 1564 | 0.1 % | |
 | Sun Solaris | 66 | 0 % | |
 | Nintendo Wii | 8 | 0 % | |
 | Symbian OS | 8 | 0 % | |
 | HP UX | 1 | 0 % | |