Place the Wurst-Client-v7.15.2-MC1.16.5.jar file into the same mods folder.
Fabric (Requires the Fabric API to run correctly)
Download the Fabric API .jar file for 1.16.5 and place it in your .minecraft/mods folder.
Download and run the Fabric Loader for Minecraft 1.16.5.
Select the Fabric profile in your Minecraft Launcher and start the game. Safety Note