Share 'Revising...How Do You Do It?'

I am about to start revising my first novel, which I finished writing almost a year ago. The problem is, I don't really know how to revise a story. Okay, I know how to do it, but it's always been poems or short stories, and I've never much liked the process. Part of it is once the story is told, my interest moves on elsewhere. And in all my writing classes in college, we never talked about revis…