Minecraft plugins are a fun way to enhance your gameplay without needing everyone on the server to install a certain mod client or pack. Instead, plugins are server side modifications that use Spigot to modify mechanics of the game so that people can join from a vanilla version, and not need to install anything to see the modifications.
1. In the Control Panel, click Change Server Type
2. Change your server type to Spigot
Note: This will wipe your server. Make sure to backup any save data first.
3. Find a plugin you're looking to install on Spigot, or anywhere else that offers plugins.
4. Download the mod
5. Open the File Manager
6. Navigate to /minecraft/plugins/
7. Upload your .jar
plugins to this location
8. Restart your server and the plugins will be loaded.