Drag and drop the downloaded yml file into your /plugins/DeluxeMenus/gui_menus folder
Add the file name into your DeluxeMenus config.yml

Example:






DeluxeMenus - https://www.spigotmc.org/resources/deluxemenus.11734/

PlayerVaultsX - https://www.spigotmc.org/resources/playervaultsx.51204/

LuckPerms - https://luckperms.net/download

EssentialsX - https://essentialsx.net/downloads.html