| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 18261 | 43.8 % | ||
 | Windows XP | 3022 | 7.2 % |  |
 | Windows Vista | 3541 | 8.4 % | |
 | Windows (unknown version) | 18 | 0 % | |
 | Windows NT | 46 | 0.1 % | |
 | Windows Vista (LongHorn) | 427 | 1 % | |
 | Windows 98 | 10 | 0 % | |
 | Windows 95 | 1 | 0 % | |
 | Windows 2008 | 11043 | 26.5 % | |
 | Windows 2003 | 110 | 0.2 % | |
 | Windows 2000 | 43 | 0.1 % | |
| BSD | 189 | 0.4 % | ||
 | OpenBSD | 59 | 0.1 % | |
 | NetBSD | 45 | 0.1 % | |
 | FreeBSD | 85 | 0.2 % | |
| Linux | 11927 | 28.6 % | ||
 | Ubuntu | 720 | 1.7 % | |
 | Suse | 39 | 0 % | |
 | Red Hat | 60 | 0.1 % | |
 | Mandriva (or Mandrake) | 10 | 0 % | |
 | Fedora | 58 | 0.1 % | |
 | Debian | 13 | 0 % | |
 | Centos | 33 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 10994 | 26.3 % | |
| Macintosh | 6478 | 15.5 % | ||
 | Mac OS X | 6462 | 15.5 % | |
 | Mac OS | 16 | 0 % | |
| Others | 4812 | 11.5 % | ||
 | Unknown | 4756 | 11.4 % | |
 | Sun Solaris | 43 | 0.1 % | |
 | OS/2 | 7 | 0 % | |
 | Unknown Unix system | 6 | 0 % | |