One suggestion for a beginner: use as much of the default stuff as possible. Just get used to it. When you start configuring it to feel like windows or have some fancy features and stuff, then you will spend long hours & days debugging it. Linux lets you change literally everything. But especially as a beginner, you will most likely end up with a broken OS that you need to reinstall from scratch. With a bit of luck you won't lose your data during this.

When you start tinkering it's very easy to break it. This is the final boss of broken linux booting :)