| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 30280 | 28.2 % | ||
 | Windows XP | 13596 | 12.6 % |  |
 | Windows Vista | 44 | 0 % | |
 | Windows NT | 62 | 0 % | |
 | Windows ME | 16 | 0 % | |
 | Windows Vista (LongHorn) | 1353 | 1.2 % | |
 | Windows Mobile | 11 | 0 % | |
 | Windows 98 | 13 | 0 % | |
 | Windows 95 | 9 | 0 % | |
 | Windows 2008 | 14758 | 13.7 % | |
 | Windows 2003 | 297 | 0.2 % | |
 | Windows 2000 | 119 | 0.1 % | |
 | Windows 3.xx | 2 | 0 % | |
| BSD | 3258 | 3 % | ||
 | OpenBSD | 276 | 0.2 % | |
 | NetBSD | 19 | 0 % | |
 | FreeBSD | 2963 | 2.7 % | |
| Linux | 55680 | 51.9 % | ||
 | Ubuntu | 5634 | 5.2 % | |
 | Suse | 199 | 0.1 % | |
 | Red Hat | 307 | 0.2 % | |
 | Mandriva (or Mandrake) | 430 | 0.4 % | |
 | Gentoo | 392 | 0.3 % | |
 | Fedora | 460 | 0.4 % | |
 | Debian | 585 | 0.5 % | |
 | Centos | 829 | 0.7 % | |
 | GNU Linux (Unknown or unspecified distribution) | 46844 | 43.6 % | |
| Macintosh | 4345 | 4 % | ||
 | Mac OS X | 4181 | 3.8 % | |
 | Mac OS | 164 | 0.1 % | |
| Others | 13665 | 12.7 % | ||
 | Unknown | 13575 | 12.6 % | |
 | Sun Solaris | 74 | 0 % | |
 | Unknown Unix system | 7 | 0 % | |
 | Irix | 6 | 0 % | |
 | CPM | 3 | 0 % | |