Meddle has three installation methods: Multimc, installation program, manual.

This tutorial introduces how to install MEDDLE manually.

First, download an example JSON.

Turn to the Versions folder of the .minecraft folder to create a folder called the "Game Version-MEDDLE-MEDDLE version" (such as 1.8.3-Meddle-3.), dragging the example JSON.

Modify the JSON name "Game Version -Meddle-Meddle Version".

Open JSON with a notepad, change the ID to "Game Version-Meddle-Mededle Version", and change InheritsFrom and JAR to "Game Version"

After the modification, you can start.