Setting Up Your Development Environment 1.21.11
A step-by-step guide on how to set up a development environment to create mods using Fabric.
WARNING
This page is written for version 1.21.11. Documentation for older versions may be incomplete.
Install JDK 21
To develop mods for Minecraft 1.21.11, you will need JDK 21.
If you need help installing Java, you can refer to the Java installation guides.
Set Up Your IDE
To start developing mods with Fabric, you will need to set up a development environment using IntelliJ IDEA (recommended), or alternatively Visual Studio Code.














