MultiMC has built-in support for LiteLoader and installing LiteLoader is extremely simple. To add LiteLoader to a MultiMC instance, take the following steps:
Click the
Edit Instance button to show the instance editor dialogue
Click the
Install LiteLoader button, you will be presented with a dialogue showing the available versions
LiteLoader will appear in the list, indicating it was installed successfully
That's it! LiteLoader is now installed successfully with MultiMC.