| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 17012 | 34.9 % | ||
 | Windows XP | 8780 | 18 % |  |
 | Windows (unknown version) | 48 | 0 % | |
 | Windows NT | 103 | 0.2 % | |
 | Windows ME | 26 | 0 % | |
 | Windows Vista (LongHorn) | 1036 | 2.1 % | |
 | Windows Mobile | 34 | 0 % | |
 | Windows 98 | 93 | 0.1 % | |
 | Windows 95 | 51 | 0.1 % | |
 | Windows 2008 | 6438 | 13.2 % | |
 | Windows 2003 | 223 | 0.4 % | |
 | Windows 2000 | 180 | 0.3 % | |
| BSD | 697 | 1.4 % | ||
 | OpenBSD | 86 | 0.1 % | |
 | NetBSD | 8 | 0 % | |
 | FreeBSD | 603 | 1.2 % | |
| Linux | 26341 | 54.1 % | ||
 | Ubuntu | 6361 | 13 % | |
 | Suse | 141 | 0.2 % | |
 | Red Hat | 64 | 0.1 % | |
 | Mandriva (or Mandrake) | 109 | 0.2 % | |
 | Gentoo | 735 | 1.5 % | |
 | Fedora | 339 | 0.6 % | |
 | Debian | 309 | 0.6 % | |
 | Centos | 66 | 0.1 % | |
 | GNU Linux (Unknown or unspecified distribution) | 18217 | 37.4 % | |
| Macintosh | 2252 | 4.6 % | ||
 | Mac OS X | 2243 | 4.6 % | |
 | Mac OS | 9 | 0 % | |
| Others | 2345 | 4.8 % | ||
 | Unknown | 1923 | 3.9 % | |
 | Sun Solaris | 344 | 0.7 % | |
 | OS/2 | 45 | 0 % | |
 | Symbian OS | 10 | 0 % | |
 | CPM | 10 | 0 % | |
 | Sony PlayStation Portable | 8 | 0 % | |
 | BeOS | 3 | 0 % | |
 | Unknown Unix system | 2 | 0 % | |