To be able to upload plugins you will first need a compatible variant that allows plugins.
Java – Spigot, Paper or Purpur
Bedrock – PowerNukkit or PocketMine
Easy way
Go to “Plugins” tab and install the plugin you want
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Manual way
- You will need to start the server so that it can generate the plugins folder.
- Go to the File Manager tab on your server and click on WebFTP.
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- Upload the plugin you got from SpigotMC Plugins, Bukkit Plugins, PocketMine Plugins or Nukkit Plugins to the plugin folder. (Cracked Plugins are against terms of service)
- Restart the server and join.