title: how to install jdbc driver for sql server
body: <p>Hi I am new to  eclipse  ; I am trying to do example of nhibernate ; I downloaded sqljdbc4jar and uzipped it but when I double click to install it is not installing and no messages on windows 7 why it is not installing.however in windows 8 i am getting messages: cannot launch this type of file file types that contain executable code like exe ..cannot be launched</p>