| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 2797769 | 75.2 % | ||
 | Windows XP | 819012 | 22 % |  |
 | Windows Vista | 22567 | 0.6 % | |
 | Windows (unknown version) | 10513 | 0.2 % | |
 | Windows NT | 733 | 0 % | |
 | Windows ME | 62 | 0 % | |
 | Windows Vista (LongHorn) | 218059 | 5.8 % | |
 | Windows Mobile | 151 | 0 % | |
 | Windows 98 | 45 | 0 % | |
 | Windows 95 | 77 | 0 % | |
 | Windows 2008 | 1711495 | 46 % | |
 | Windows 2003 | 12646 | 0.3 % | |
 | Windows 2000 | 2405 | 0 % | |
 | Windows 3.xx | 4 | 0 % | |
| BSD | 32 | 0 % | ||
 | FreeBSD | 32 | 0 % | |
| Linux | 89482 | 2.4 % | ||
 | Ubuntu | 2736 | 0 % | |
 | Suse | 9 | 0 % | |
 | Red Hat | 157 | 0 % | |
 | Gentoo | 8 | 0 % | |
 | Fedora | 1279 | 0 % | |
 | Debian | 4 | 0 % | |
 | Centos | 31 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 85258 | 2.2 % | |
| Macintosh | 753016 | 20.2 % | ||
 | Mac OS X | 753015 | 20.2 % | |
 | Mac OS | 1 | 0 % | |
| Others | 76372 | 2 % | ||
 | Unknown | 72548 | 1.9 % | |
 | Unknown Unix system | 2125 | 0 % | |
 | Symbian OS | 1483 | 0 % | |
 | Sun Solaris | 142 | 0 % | |
 | Sony PlayStation Portable | 69 | 0 % | |
 | OS/2 | 2 | 0 % | |
 | Nintendo Wii | 2 | 0 % | |
 | Irix | 1 | 0 % | |