Start by reading your camera’s user manual. Yes, it’s very basic and should be obvious to everyone, but you would be surprised how often people buy a new camera and start using it right away, thinking that the camera is going to do all the work. Many camera stores also offer beginner courses. Ask your local camera store about this option before deciding to buy from them.
Learn about topics like leading lines, the rule of thirds, exposure compensation, and the relation between aperture, shutter speed, and ISO. I will not go into this in more detail as it would merit a whole book, but these topics are available in printed books, e-books.

Using leading lines.

Using leading lines.