Setting Unity was not very hard. Nonetheless, it is great to have a simple guide at your disposition upon installation so you can go faster. I will lay it out for you !
REMARK : I love using Linux, but unfortunately Unity is not fully supported there yet. So if you are indeed using the Linux OS, I would recommend you use windows or mac instead. Nonetheless, keep checking the unity website for updates, the launch of the Linux supported version should be released in 2021 !
The way I did it was fairly simple:
Following one by one through the instructions given on this screen should set you up easily for Unity. This procedure leads to a microgame creation tutorial, but you can skip through it and work only on your project. I would advise to go through the tutorial, because it helps you understand the mechanisms of Unity rapidly so you can start working right away without difficulties.
And that’s it, I hope you could follow this tutorial without any problems ! Happy coding/gaming !