Have you ever looked for the windows explorer icon in your windows 10 PC to no avail, to deliver yourself from this trouble, just Press Windows key+E to open a new instance of File Explorer directly. 

 Alt+Up Arrow.  Go up one level . 

 Alt+Left Arrow.  Go to the previous folder in history.

Alt+Right Arrow.  Go to the next folder in history. 

Alt+D.  Move the focus to the address bar and select the current path. 

 F4.  Move the insertion point to the address bar and display the contents of the drop-down menu of previous addresses. 

Alt+Enter.  Show properties of the selected file. 

Tab.  Cycle through the following elements: navigation pane, file list, column headings, address bar, search box .

 F11.  Switch in and out of full-screen mode. 

Ctrl+Shift+N.  Create a new subfolder in the current folder. 

Ctrl+Shift+E.  Expand the navigation pane to the current  folder.