As a new user, can I start using Bitcoin without having to understand the technical details?
Think of it as money then you're good to go. But, with money, in order to make it many, you have to invest it. The tricky part of bitcoins is having to invest it properly. That's what you need to study. Learn how to speculate and read the trends of bitcoins in order to make good profits. Other than that, bitcoins are fairly easy to understand.