Better Wagon is a lightweight mod that makes the wagons in the game lighter the higher your run skill is, which makes the game more fun. There are no configurations to install it. 

The only thing you have to do is download it. Better Wagon can be disabled through its config file or bepInEx configuration manager.

Installation

To install it, you just have to follow the instructions to install the bepInEx modloader. You can install it automatically with Vortex mod manager or manually by downloading the dll file. You will have to put the LightWagon.dll file in the valheim folder, and the game will start working.