| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 3924650 | 48.3 % | ||
 | Windows XP | 1279198 | 15.7 % |  |
 | Windows Vista | 17381 | 0.2 % | |
 | Windows (unknown version) | 2424 | 0 % | |
 | Windows NT | 731 | 0 % | |
 | Windows ME | 3242 | 0 % | |
 | Windows Vista (LongHorn) | 202297 | 2.4 % | |
 | Windows Mobile | 858 | 0 % | |
 | Windows 98 | 2066 | 0 % | |
 | Windows 95 | 222 | 0 % | |
 | Windows 2008 | 2362093 | 29 % | |
 | Windows 2003 | 37590 | 0.4 % | |
 | Windows 2000 | 16544 | 0.2 % | |
 | Windows 3.xx | 4 | 0 % | |
| BSD | 26749 | 0.3 % | ||
 | OpenBSD | 2994 | 0 % | |
 | NetBSD | 1305 | 0 % | |
 | GNU/kFreeBSD | 44 | 0 % | |
 | FreeBSD | 22406 | 0.2 % | |
| Linux | 3480637 | 42.8 % | ||
 | Zenwalk GNU Linux | 422 | 0 % | |
 | Vine Linux | 209 | 0 % | |
 | VectorLinux | 355 | 0 % | |
 | Ubuntu | 316543 | 3.8 % | |
 | Suse | 19520 | 0.2 % | |
 | Red Hat | 20178 | 0.2 % | |
 | PCLinuxOS | 6426 | 0 % | |
 | Mandriva (or Mandrake) | 9554 | 0.1 % | |
 | Gentoo | 1495 | 0 % | |
 | Fedora | 17342 | 0.2 % | |
 | Debian | 18773 | 0.2 % | |
 | Centos | 21494 | 0.2 % | |
 | Google Android | 80482 | 0.9 % | |
 | GNU Linux (Unknown or unspecified distribution) | 2967844 | 36.5 % | |
| Macintosh | 425307 | 5.2 % | ||
 | Mac OS X | 425073 | 5.2 % | |
 | Mac OS | 234 | 0 % | |
| Others | 266215 | 3.2 % | ||
 | Unknown | 239352 | 2.9 % | |
 | Java Mobile | 11780 | 0.1 % | |
 | BlackBerry | 5189 | 0 % | |
 | Sun Solaris | 2956 | 0 % | |
 | Symbian OS | 2826 | 0 % | |
 | Unknown Unix system | 2524 | 0 % | |
 | Sony PlayStation | 939 | 0 % | |
 | Nintendo Wii | 250 | 0 % | |
 | OS/2 | 188 | 0 % | |
 | BeOS | 88 | 0 % | |
 | Java | 81 | 0 % | |
 | AmigaOS | 38 | 0 % | |
 | iPhone OS (iPhone/iPod) | 4 | 0 % | |