hi could you help me put screenpack in config.json i don't know how to change it i'm new
Open up config.json in a text editor and look for a line that says this:
You'll want to change the path to point to the system.def of your screenpack. As an example, if you have your screenpack stored in a folder called "my-cool-screenpack" inside the data folder, you'd change it to this:
Depending on the screenpack you're trying to install, you might have to add an extra path, but as long as it can find the .def file at the given location you should be fine.