Mac OSX 64bit
Windows 64Bit (Windows 7, Vista)
You need this if you are running a 64 bit Java. If you are running a 32 bit Java version on Windows 7 or Vista please use the 32 bit CIMTool release. (I know it is confusing - please complain to Oracle - Arnold.)
Windows 32bit (Most Windows XP Systems)
For 32 bit windows or 64 bit windows running 32 bit Java.