I need help on how to install 5.00 m33-4

HOW TO I INSTALL IT PLz HELP!

http://www.megaupload.com/?d=5DEMONLI download that then run it make magic stick then use pandora and tada 5.00 m33-4 dont post the any were else the only other website this will be on is mine becuse i use theis aroun d my naborhood to downgrae freinds psp's for 10$ each!!!!!!