With its help, you can set all the folders on your computer. Like you want to open the folder by double click or by single click or you want to open the folder in a new window or in the same window.
If you want to hide a folder or want to show it back, then you can do it with the help of this option. With the help of this option, you can also set the files of your computer. If you want to change the extension of a file, you can change its extension.