The data pack system provides a way for players to further customize their Minecraft experience. Data packs can be used to override or add new advancements, dimensions, functions, loot tables, predicates, recipes, structures, tags, world generation settings, and biomes without any code modification.
How to install a Data Pack?
Step 1 - Download a Data Pack for free from BuddiesKraft Official Website.
Step 2 - Press Windows + R in your keyboard.
Step 3 - Write %appdata% in this opened dialog box and press Enter.
Step 4 - Open .minecraft > saves folder.
Step 5 - Open the world you want to use your datapack in.
Step 6 - Open datapack folder and place downloaded file here.
Step 7 - Now open this world in game and datapack will start working.