Hello @Fabthemolis and welcome to Mikrotik forum. 
There is a great number of YouTube channels that you should check out such as: The Network Berg, The Network Trip, Wilmer Almazan / Arawi Academy, Mikrotik Indonesia - Citraweb, MikroTik Masters, and of course official Mikrotik channel: MikroTik
Also check some of the topics on this forum:
Use this to learn how to export configuration from your device and how to insert it to your topic:
Forum rules - #5 by gigabyte091
Then the important one, read this before any attempt of configuring anything on your device (Especially read rule #7):
The twelve Rules of Mikrotik Club
If you have any question or a problem configuring your device, open a topic, include whole configuration of the device you are having a problem with.
!!! DO NOT USE CHATGPT AND ANY OTHER AI TOOL AS YOU MAY RECIEVE INVALID CONFIGURATIONS FROM THEM AND POTENTIALY EXPOSING YOUR NETWORK TO THE DARK SIDE OF THE INTERNET !!!