| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 545473 | 46.7 % | ||
 | Windows XP | 43962 | 3.7 % |  |
 | Windows Vista | 90220 | 7.7 % | |
 | Windows (unknown version) | 2628 | 0.2 % | |
 | Windows NT | 51535 | 4.4 % | |
 | Windows ME | 11 | 0 % | |
 | Windows Vista (LongHorn) | 15329 | 1.3 % | |
 | Windows Mobile | 15 | 0 % | |
 | Windows 98 | 8 | 0 % | |
 | Windows 2008 | 341423 | 29.2 % | |
 | Windows 2003 | 208 | 0 % | |
 | Windows 2000 | 133 | 0 % | |
 | Windows 3.xx | 1 | 0 % | |
| BSD | 9 | 0 % | ||
 | OpenBSD | 7 | 0 % | |
 | FreeBSD | 2 | 0 % | |
| Linux | 142412 | 12.2 % | ||
 | Ubuntu | 1933 | 0.1 % | |
 | Suse | 1 | 0 % | |
 | Red Hat | 1 | 0 % | |
 | Gentoo | 5 | 0 % | |
 | Fedora | 1 | 0 % | |
 | Debian | 46 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 140425 | 12 % | |
| Macintosh | 292149 | 25 % | ||
 | Mac OS X | 292005 | 25 % | |
 | Mac OS | 144 | 0 % | |
| Others | 187127 | 16 % | ||
 | Unknown | 144938 | 12.4 % | |
 | Unknown Unix system | 42097 | 3.6 % | |
 | Symbian OS | 89 | 0 % | |
 | OSF Unix | 1 | 0 % | |
 | Sun Solaris | 1 | 0 % | |
 | HP UX | 1 | 0 % | |