How do i activate MegaStat on Excell?

[Billy]

I need MegaStat for my homework. Cannot find any way to activate MegaStat on
Excell. Please help me with this. Thanks,

 

[Bob I]

Start with this link, and follow the logical progression
http://www.google.com/search?hl=en&q=MegaStat&btnG=Google+Search