Are you curious about setting up your account, or how to actually take a payment using the reader? For general setup, I'd really recommend going through our getting started guide. It has a ton of information, and links to appropriate help articles to get you on your way: https://squareup.com/guide
Additionally we also have a video library with a lot of tutorials about creating your item library, using your Dashboard, and setting up the different readers. You might find what you're looking for in there: https://www.youtube.com/playlist?list=PL11A5BA20AF5E18EA
Let me know if you have additional questions!
