Step one - Install the technic launcher
This is a launcher that will sort the modding for you, so you dont have to put all the mods into a folder and sort the API. Click the link and scroll down to download
Step two - Download the technic launcher and find the modpack
Once you have the technic launcher, sinple launch it and head over to the “Modpacks section” Then search at the top (where it says add pack or search) for “Mythic”. You should download the Mythic modpack. its full name is “Mythic - magic modpck”
Step three - Download and play
Download it and ensure you have giving it enough RAM to play. i suggest 4GB. Then play the modpack and connect to it!