To show or hide hidden files, folders and drives in File Explorer, go to File Explorer's menu and navigate to View > Show then check the "Hidden items" menu.
To Show Hidden Files, Folders and Drives in File Explorer Through Windows Registry
Warning: Modifying the Windows Registry directly through Registry Editor (Regedit) may cause problem to Windows. Proceed with caution. Before making any registry changes, make sure that you already familiar with the basics of the Windows Registry.