Register an account, add your website, put in the URL, and let them fetch it for you. Up to 500 individual URL requests can be submitted a day
Once you are done, wait for it to be indexed, afterwards, start building targeted keyword backlinks to your listed pages!
Just in case you want specifics, here's their support page: https://support.google.com/webmaster.../6065812?hl=en
Now stop reading this thread and start indexing your sites for that sweet google traffic juice!