darkrp inventory help

Hi friends, I need help because I do not have much knowledge in lua

*I found an inventory system, I need it to work on darkrp 2.4.3

If there are kind people, please help, I will be very grateful :)*

This system:https://garrysmods.org/download/57559/derp-inventory-full-fixed

[DEL]Sorry for my bad english[/DEL]:zoid: