To best understand the example code in this book, you should have a general knowledge of programming, preferably with a modern, dynamically-typed language, such as Python or JavaScript. If you're new to programming entirely, you may wish to review a beginner Python tutorial before diving into the game projects in this book.
Godot will run on any relatively modern PC running Windows, macOS, or Linux operating systems. Your video card must support OpenGL ES 3.0.