Download the latest version of the bcb_sript_pack from http://barishcb.com/. If you have any suggesions or bugs please email me from my website. The RAR file contains mel scripts, documentaion, icon bitmaps, plugins and an installation maya file.
Extract the rar file into your local drive. Then open BC_Script_Install.ma file using any version of maya. When the maya open you will get and Script installation window. Follow the instructions inside it.