• Get the latest version of BepInEx 5. (https://github.com/BepInEx/BepInEx/releases/)
• Extract BepInEx in the game installation folder
• Get the Command Handler dependency (https://modworkshop.net/mod/39104)
• Put the .dll in the BepInEx\plugins folder. (Create it if it doesn't exist)

Simply remove the .dll if you want to uninstall it.