micronichefinder keywords

Using MicroNicheFinder I found good niche with perfect keywords. I created Landing Page (or website) and want that my LP become on first page on google with this keywords. What I must do?

Google changed their whole keyword search page as everyone knows, and now requires an adwords acct to access it. I've used it a few times since and absolutely hate it. It does not produce anything resembling the results it used to. I was going to buy the microniche finder, but the guy who...