| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 395275 | 8.1 % | ||
 | Windows XP | 268069 | 5.5 % |  |
 | Windows Vista | 21903 | 0.4 % | |
 | Windows (unknown version) | 74 | 0 % | |
 | Windows NT | 140 | 0 % | |
 | Windows ME | 3 | 0 % | |
 | Windows Vista (LongHorn) | 2007 | 0 % | |
 | Windows Mobile | 9 | 0 % | |
 | Windows 98 | 513 | 0 % | |
 | Windows 95 | 5 | 0 % | |
 | Windows 2008 | 98471 | 2 % | |
 | Windows 2003 | 1534 | 0 % | |
 | Windows 2000 | 2544 | 0 % | |
 | Windows 3.xx | 3 | 0 % | |
| BSD | 1350 | 0 % | ||
 | OpenBSD | 50 | 0 % | |
 | NetBSD | 24 | 0 % | |
 | FreeBSD | 1276 | 0 % | |
| Linux | 4301122 | 88.9 % | ||
 | Ubuntu | 6237 | 0.1 % | |
 | Suse | 322 | 0 % | |
 | Red Hat | 53 | 0 % | |
 | Mandriva (or Mandrake) | 55 | 0 % | |
 | Gentoo | 9600 | 0.1 % | |
 | Fedora | 148 | 0 % | |
 | Debian | 238 | 0 % | |
 | Centos | 14 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 4284455 | 88.5 % | |
| Macintosh | 18525 | 0.3 % | ||
 | Mac OS X | 18501 | 0.3 % | |
 | Mac OS | 24 | 0 % | |
| Others | 120360 | 2.4 % | ||
 | Unknown | 119683 | 2.4 % | |
 | Unknown Unix system | 584 | 0 % | |
 | Symbian OS | 61 | 0 % | |
 | Sun Solaris | 22 | 0 % | |
 | GNU Hurd | 10 | 0 % | |