¤Download Eclipse version 3.5 (Galileo)
¤Unzip it to c:\mule\eclipse folder and start eclipse.
¤Create workspace folder in c:\mule folder
¤Go to Help > Install New Software
¤Select mule ide and click Next
¤Again click Next and accept term and condition
¤Click Next and Finish
¤It will install the mule IDE and ask for eclipse restart