To see the tool tips showing the keyboard shortcuts for every action that appears in the ribbon, hold the ALT key. To perform any of the actions, can release the ALT key, and just press the appropriate keyboard shortcut sequence.
Here is a list of some of them: A : Open Easy access CO : Copy selected items CP : Copy Path of the selected item CF : Copy to folder, using the drop-down menu D : Delete selected items E : Edit selected item H : Show History of the document revisions M : Move files to location using the drop-down menu N : Create New Folder PS : Paste Shortcut in the location PR : Open Properties box PE : Open new document, choose from drop-down menu SA : Select All items SN : Select None SI : Invert Selection R : Rename selected items T : Cut selected items. V : Paste copied items W : Create New Item Ctrl+F1 : Minimize / maximize ribbon in Windows Explorer The post will be updated as more Windows 8 explorer keyboard shortcuts are found. You might also want to check out this list of global Windows 8 Keyboard Shortcuts. Some of you may want to have a look at these posts too: