How to make a Windows Explorer like gui file system?

So i want to make a file system like windows explorer, i have a file system but idk how to add/remove/edit/open Folder/Apps. Here is a video of what im trying to make:

the file system looks like this:

local explorer = {
	Test = {
		Test_Data = "gg";
		Test2 = {
			Test2_Data = "69"