Replying to Basic gopro tips

I am taking this winter to learn, amongst all other basic computer skills, video editing. Long ago I decided I hated computers and now I am trying to make up for it big time. Knowing the awesome resource that NS is, I'm going to be hitting you up for help. To start, I'm working on a MacBook Pro with a Hero2.

SLOW MO. My question is; how do you get super slow mo? I've got the basic understanding of shooting in 60p, conforming in cinema tools, 30p timeline, etc. but that would just give you half speed, correct? I read through Ian Provo's advice and he says he just uses that method, but appears to have far beyond half speed. Twixtor?

Forgive my idiotic question if it is, I've never even downloaded a song before and I am attempting to tackle FCP. Humour me.