MixinBootstrap Mod Wiki is an unofficial Mixin download method. Not getting any support.
Mixin available in Forge 1.15.2-31.2.44 + & 1.16.1-32.0.72 +
Source
GitHub
How to install:
Make sure you have already installed Minecraft Forge.
Locate the minecraft application folder.
- Open Run from the start menu.
- Type %appdata%, click Run.
Input where MixinBootstrap Mod you have just downloaded (.jar file) into the Mods MixinBootstrap Mod folder.
When you open Minecraft, you see the mod is installed when click the button mods