Dupe Utils is a free Minecraft 1.21.4 mod that provides tools for interacting with GUI systems and packets.
- Install Minecraft 1.21.4.
- Install the latest Fabric Loader for Minecraft 1.21.4 (Download).
- Download and install the matching version of the Fabric API.
- Download the latest version of Dupe-Utils from the Releases tab.
- Move the downloaded
.jar
file into your.minecraft/mods
folder.