It is awesome that you want to start learning about robotics
I would suggest checking out this guide:
And maybe look at the
Also, the best way to learn is by getting your hands dirty so it would be great if you could start building your own robot, you could find some inspiration in the Robots section where you could also share yours. Or maybe start experimenting with robotic kits, you can find some in the Robotics Education and the Robots & Kits section.