1) Install NeoForge or Fabric for your desired version.

2) Download and Install Modern Lucky Block (0.1.3, later versions may not work!) (https://www.curseforge.com/minecraft/mc-mods/modern-lucky-block/files/all) (https://modrinth.com/mod/modern-lucky-block/versions)
2a) The Modern Lucky Block requires Architectury API which can be found at (https://www.curseforge.com/minecraft/mc-mods/architectury-api/files/) (https://modrinth.com/mod/architectury-api/versions)
2b) If you're using Fabric you will need Fabric API which can be found at https://www.curseforge.com/minecraft/mc-mods/fabric-api/files/all (https://modrinth.com/mod/fabric-api/versions)

3) Run Minecraft at least once with the required mods.

4) Drag the Lucky Block Pink .zip file into the .minecraft/addons folder.

5) You're Done!