Why Win8 system disk name can not be modified

specific steps:
1, click Win8 System Resource Manager, and then click on "Tools" in the face of explorer - "Folder Options";

2, Win8 system folder options window, select the "View" tab;

3, in Win8 system folder under the View tab, uncheck "Hide empty folders computer drive" and "Hide protected operating system files";
4, then select "Show hidden files, folders and drives";
5, then enter the "hard disk root directory" on the "My Computer" panel of the Win8 system ";
6, you can see that there are two folders on the system, then move the mouse to the folder to be deleted and right click to select "Unlocker", and then click "Delete".