| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 315629 | 78.5 % | ||
 | Windows XP | 170187 | 42.3 % |  |
 | Windows Vista | 17 | 0 % | |
 | Windows (unknown version) | 5863 | 1.4 % | |
 | Windows NT | 219 | 0 % | |
 | Windows ME | 48 | 0 % | |
 | Windows Vista (LongHorn) | 24700 | 6.1 % | |
 | Windows Mobile | 31 | 0 % | |
 | Windows 98 | 4253 | 1 % | |
 | Windows 95 | 14 | 0 % | |
 | Windows 2008 | 100653 | 25 % | |
 | Windows 2003 | 3305 | 0.8 % | |
 | Windows 2000 | 6329 | 1.5 % | |
 | Windows 3.xx | 10 | 0 % | |
| BSD | 24 | 0 % | ||
 | FreeBSD | 24 | 0 % | |
| Linux | 20799 | 5.1 % | ||
 | Vine Linux | 25 | 0 % | |
 | Ubuntu | 4812 | 1.1 % | |
 | Suse | 710 | 0.1 % | |
 | Red Hat | 940 | 0.2 % | |
 | Mandriva (or Mandrake) | 68 | 0 % | |
 | Gentoo | 69 | 0 % | |
 | Fedora | 783 | 0.1 % | |
 | Debian | 458 | 0.1 % | |
 | Centos | 447 | 0.1 % | |
 | ASPLinux | 1 | 0 % | |
 | Google Android | 877 | 0.2 % | |
 | GNU Linux (Unknown or unspecified distribution) | 11609 | 2.8 % | |
| Macintosh | 34797 | 8.6 % | ||
 | Mac OS X | 34781 | 8.6 % | |
 | Mac OS | 16 | 0 % | |
| Others | 30638 | 7.6 % | ||
 | Unknown | 28953 | 7.2 % | |
 | Java Mobile | 1083 | 0.2 % | |
 | BlackBerry | 231 | 0 % | |
 | Sun Solaris | 158 | 0 % | |
 | Symbian OS | 124 | 0 % | |
 | Java | 51 | 0 % | |
 | Unknown Unix system | 33 | 0 % | |
 | RISC OS | 2 | 0 % | |
 | OSF Unix | 1 | 0 % | |
 | Dreamcast | 1 | 0 % | |
 | Palm OS | 1 | 0 % | |