Windows Vista|1
Windows XP|2
Windows 2000|3
Mac OS X|4
Windows Server 2003|5
Windows 98|6
Linux - CentOS|7
Windows ME|8
Linux - Ubuntu|9
Windows 95|10
Linux|11
Linux - Fedora|12
Mac OS|13
Unix|14
Linux - Mandriva 2.0.0|15
Windows CE|16
SunOS|17
Linux - Debian|18