| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 1398599 | 57 % | ||
 | Windows XP | 41821 | 1.7 % |  |
 | Windows Vista | 126164 | 5.1 % | |
 | Windows (unknown version) | 718 | 0 % | |
 | Windows NT | 677691 | 27.6 % | |
 | Windows ME | 6 | 0 % | |
 | Windows Vista (LongHorn) | 15943 | 0.6 % | |
 | Windows Mobile | 51 | 0 % | |
 | Windows 98 | 77 | 0 % | |
 | Windows 95 | 345 | 0 % | |
 | Windows 2008 | 534753 | 21.8 % | |
 | Windows 2003 | 747 | 0 % | |
 | Windows 2000 | 117 | 0 % | |
 | Windows 3.xx | 166 | 0 % | |
| BSD | 985 | 0 % | ||
 | OpenBSD | 207 | 0 % | |
 | NetBSD | 30 | 0 % | |
 | FreeBSD | 748 | 0 % | |
| Linux | 470781 | 19.2 % | ||
 | Ubuntu | 22350 | 0.9 % | |
 | Suse | 2 | 0 % | |
 | Red Hat | 27 | 0 % | |
 | Gentoo | 3 | 0 % | |
 | Fedora | 1 | 0 % | |
 | Debian | 228 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 448170 | 18.2 % | |
| Macintosh | 518789 | 21.1 % | ||
 | Mac OS X | 518785 | 21.1 % | |
 | Mac OS | 4 | 0 % | |
| Others | 60734 | 2.4 % | ||
 | Unknown | 57773 | 2.3 % | |
 | Unknown Unix system | 2831 | 0.1 % | |
 | Sun Solaris | 71 | 0 % | |
 | OS/2 | 39 | 0 % | |
 | Symbian OS | 15 | 0 % | |
 | RISC OS | 2 | 0 % | |
 | Irix | 1 | 0 % | |
 | AmigaOS | 1 | 0 % | |
 | HP UX | 1 | 0 % | |