Hi i have just download this mod on my server and I want to configure its setting to "only owner of the corpse can get their respective items " . Im actually using aternos

Just open the config and set that entry to true.

How do i do that? I mean where is the cofig button . Can you tell it to me step by step .Thanks :)

Just open the config and set that entry to true.

Sorry, I don't have the time to take you through step by step.
There is no config GUI. Just edit the config file. You can find the path to it in the FAQ.