| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 11542 | 26.6 % | ||
 | Windows XP | 8252 | 19 % |  |
 | Windows NT | 530 | 1.2 % | |
 | Windows ME | 5 | 0 % | |
 | Windows Vista (LongHorn) | 1447 | 3.3 % | |
 | Windows 98 | 779 | 1.7 % | |
 | Windows 2008 | 200 | 0.4 % | |
 | Windows 2003 | 228 | 0.5 % | |
 | Windows 2000 | 101 | 0.2 % | |
| BSD | 425 | 0.9 % | ||
 | OpenBSD | 57 | 0.1 % | |
 | NetBSD | 130 | 0.2 % | |
 | FreeBSD | 238 | 0.5 % | |
| Linux | 18680 | 43 % | ||
 | Ubuntu | 1824 | 4.2 % | |
 | Suse | 193 | 0.4 % | |
 | Red Hat | 11 | 0 % | |
 | Mandriva (or Mandrake) | 73 | 0.1 % | |
 | Gentoo | 295 | 0.6 % | |
 | Fedora | 350 | 0.8 % | |
 | Debian | 852 | 1.9 % | |
 | Centos | 42 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 15040 | 34.6 % | |
| Macintosh | 1108 | 2.5 % | ||
 | Mac OS X | 1070 | 2.4 % | |
 | Mac OS | 38 | 0 % | |
| Others | 11615 | 26.7 % | ||
 | Unknown | 10978 | 25.3 % | |
 | FreeBSD | 277 | 0.6 % | |
 | Sun Solaris | 165 | 0.3 % | |
 | NetBSD | 92 | 0.2 % | |
 | OpenBSD | 72 | 0.1 % | |
 | OS/2 | 21 | 0 % | |
 | Symbian OS | 10 | 0 % | |