| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 24170 | 25.5 % | ||
 | Windows XP | 9721 | 10.2 % |  |
 | Windows Vista | 1 | 0 % | |
 | Windows (unknown version) | 19 | 0 % | |
 | Windows NT | 13 | 0 % | |
 | Windows ME | 10 | 0 % | |
 | Windows Vista (LongHorn) | 1300 | 1.3 % | |
 | Windows 98 | 13 | 0 % | |
 | Windows 95 | 5 | 0 % | |
 | Windows 2008 | 12736 | 13.4 % | |
 | Windows 2003 | 286 | 0.3 % | |
 | Windows 2000 | 66 | 0 % | |
| BSD | 2080 | 2.1 % | ||
 | OpenBSD | 330 | 0.3 % | |
 | NetBSD | 66 | 0 % | |
 | FreeBSD | 1684 | 1.7 % | |
| Linux | 48876 | 51.6 % | ||
 | Ubuntu | 8014 | 8.4 % | |
 | Suse | 378 | 0.3 % | |
 | Red Hat | 277 | 0.2 % | |
 | Mandriva (or Mandrake) | 119 | 0.1 % | |
 | Gentoo | 697 | 0.7 % | |
 | Fedora | 341 | 0.3 % | |
 | Debian | 213 | 0.2 % | |
 | Centos | 171 | 0.1 % | |
 | GNU Linux (Unknown or unspecified distribution) | 38666 | 40.8 % | |
| Macintosh | 5542 | 5.8 % | ||
 | Mac OS X | 5360 | 5.6 % | |
 | Mac OS | 182 | 0.1 % | |
| Others | 14029 | 14.8 % | ||
 | Unknown | 13820 | 14.5 % | |
 | Unknown Unix system | 91 | 0 % | |
 | Sun Solaris | 61 | 0 % | |
 | Nintendo Wii | 39 | 0 % | |
 | Symbian OS | 18 | 0 % | |