How to use a custom JAR file for your Minecraft game server

All Minecraft servers have the ability to use custom JAR files.

Follow the following steps to upload your own JAR file:

1. Select the "file manager" tool
2. Drag your custom jar file to the root/base/main directory to upload
3. Select the "settings" tool
4. Set the "JAR file" setting to the name of the JAR file that you've just uploaded
5. Save the changes
6. Restart the instance