You can find datapacks on Modrinth or over the internet.
Datapacks enhances your world in many ways, such as generating beautiful terrains. To install a datapack in your own server, follow the steps below. In need of a server? Check out our servers here: Minecraft Hosting
Files
tab from the left side bar, and head to your datapacks folder which is usually located at world/datapacks
..zip
file.datapack list
, if it shows up correctly then the datapack is successfully installed. Enjoy!