| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 35367 | 54.9 % | ||
 | Windows XP | 16788 | 26 % |  |
 | Windows (unknown version) | 18 | 0 % | |
 | Windows NT | 158 | 0.2 % | |
 | Windows ME | 14 | 0 % | |
 | Windows Vista (LongHorn) | 4997 | 7.7 % | |
 | Windows 98 | 80 | 0.1 % | |
 | Windows 95 | 1 | 0 % | |
 | Windows 2008 | 12789 | 19.8 % | |
 | Windows 2003 | 288 | 0.4 % | |
 | Windows 2000 | 169 | 0.2 % | |
 | Windows 3.xx | 65 | 0.1 % | |
| BSD | 33 | 0 % | ||
 | FreeBSD | 33 | 0 % | |
| Linux | 17972 | 27.9 % | ||
 | Ubuntu | 6777 | 10.5 % | |
 | Suse | 465 | 0.7 % | |
 | Red Hat | 20 | 0 % | |
 | Mandriva (or Mandrake) | 56 | 0 % | |
 | Gentoo | 410 | 0.6 % | |
 | Fedora | 542 | 0.8 % | |
 | Debian | 54 | 0 % | |
 | Centos | 51 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 9597 | 14.9 % | |
| Macintosh | 5843 | 9 % | ||
 | Mac OS X | 5843 | 9 % | |
| Others | 5161 | 8 % | ||
 | Unknown | 4839 | 7.5 % | |
 | Unknown Unix system | 270 | 0.4 % | |
 | Sun Solaris | 34 | 0 % | |
 | Nintendo Wii | 17 | 0 % | |
 | Symbian OS | 1 | 0 % | |