Full node

Hello. I've been into bitcoin for about 4 years and now I feel the time has come to run my own full node. Thing is, that I'm a noob when it comes to nodes. I tried to search in youtube for guidance on how to setup a node in Ubuntu, but every video has different instructions and/or they use additional hardware like raspberry pi. Can anybody give me instructions like if I was 10 years old? My goal is to run bitcoin core full node on Ubuntu, with TOR. Thanks