| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 2980550 | 65.9 % | ||
 | Windows XP | 600830 | 13.2 % |  |
 | Windows Vista | 322673 | 7.1 % | |
 | Windows (unknown version) | 17612 | 0.3 % | |
 | Windows NT | 947 | 0 % | |
 | Windows ME | 7 | 0 % | |
 | Windows Vista (LongHorn) | 126636 | 2.8 % | |
 | Windows Mobile | 42 | 0 % | |
 | Windows 98 | 608 | 0 % | |
 | Windows 95 | 302 | 0 % | |
 | Windows 2008 | 1897207 | 41.9 % | |
 | Windows 2003 | 11642 | 0.2 % | |
 | Windows 2000 | 1963 | 0 % | |
 | Windows 3.xx | 81 | 0 % | |
| BSD | 46 | 0 % | ||
 | OpenBSD | 2 | 0 % | |
 | FreeBSD | 44 | 0 % | |
| Linux | 274403 | 6 % | ||
 | Ubuntu | 3077 | 0 % | |
 | Suse | 158 | 0 % | |
 | Red Hat | 2 | 0 % | |
 | Mandriva (or Mandrake) | 36 | 0 % | |
 | Gentoo | 6 | 0 % | |
 | Fedora | 177 | 0 % | |
 | Debian | 101 | 0 % | |
 | Centos | 11 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 270835 | 5.9 % | |
| Macintosh | 1072980 | 23.7 % | ||
 | Mac OS X | 1072885 | 23.7 % | |
 | Mac OS | 95 | 0 % | |
| Others | 190857 | 4.2 % | ||
 | Unknown | 159118 | 3.5 % | |
 | Unknown Unix system | 28637 | 0.6 % | |
 | Symbian OS | 2893 | 0 % | |
 | Nintendo Wii | 99 | 0 % | |
 | OS/2 | 42 | 0 % | |
 | Sun Solaris | 40 | 0 % | |
 | BeOS | 25 | 0 % | |
 | Sony PlayStation Portable | 2 | 0 % | |
 | Irix | 1 | 0 % | |