You can use the shortcut [Windows logo]+[E] to start the Win-8/10/8.1 explorer normally (default mode).
The explorer can not run as admin and with full access rights, but other file managers can be started as an admin with admin privileges, such as Q-Dir. (... see Image-1 Arrow-1)
You can also enable the administrator account in Windows 8 and start in this the MS-Explorer via the keyboard shortcut [Windows Logo] + [E].
... How can i enable the administrator account in Windows 8?
... Find and start the Windows 8 cmd.exe (command prompt) in administrator mode?
... Q-Dir the Quad-Explore for Windows-8
FAQ 46: Updated on: May 17th 2016 15:25