The simplest way to join the server is as follows: 1) Download the Curseforge Launcher https://www.curseforge.com/download/app 2) Installl the Curseforge Launcher 3) Sign into it using your Minecraft login info 4) Search under modpacks for ATM9 and install it 5) Us the following IP to direct connect to the server: dropbears-allthemods9.g.akliz.net
dropbears-allthemods9.g.akliz.net