[rules-users] Need BRMS migration tool download zip file location to download

Hi , I need to migrate repository from BRMS 5.1.1 to BRMS 6.0.1. In BRMS 6.0.1 Administration And Configuration Guide , i read we can do migrating using data migration tool. I could not able to find where this migration tool download zip available. IF anybody knows, please provide me the path/location/url to download the migration tool zip file? Thanks, Lakshmi Reddy