As Annop stated, you can watch the videos for a bit of education and when you are ready, just order one of the units that fits your budget and player requirements.
But to get started, all you need to do is to create a free account and play with the studio. You can preview from there to see your work. Once you are done and are ready to build your masterpiece, then either purchase one of the players or utilize one of your own computers that you can spare. You will want to build for the resolution that your screen is designed for.