You can install mods in "Minecraft" by playing the "Java Edition" and using the third-party app Minecraft Forge.

You can install Minecraft Forge for free from the Forge website, and then use it to download and enable mods.

The Undertale mod for Minecraft can be installed using any mod loader that has Fabric installed. For this guide, we have used Modrinth and its mod loader with Fabric. Simply download these ...