Once you have edited the file, make sure to click save. Select text editor on the Serveradmincustom.XML file. Login to your control panel, and click configuration files. How to configure your 7 Days To Die Adminconfigcustom.xml Edit The Admin File.When choosing the mods you want its important you get it for the correct version of your 7 Days to Die server, this can be seen on the Files page, it may also say it in the descriptionħ days to die mod version (. How to add mods to your 7 Days to Die server 7 days to die has the vast majority of its mods on Nexus Mods here.