The Windows logo key is a little-used treasure. Don't' ignore it.It is the shortcut anchor for the following :
     Windows:   Display the Start menu
     Windows + D: Minimize or restore all windows
     Windows + E: Display Windows Explorer
     Windows + F: Display Search for files
     Windows + Ctrl + F: Display Search for computer
     Windows + F1: Display Help and Support Center
     Windows + R: Display Run dialog box
     Windows + break: Display System Properties dialog box
     Windows + shift + M: Undo minimize all windows
     Windows + L: Lock the workstation
     Windows + U: Open Utility Manager
     Windows + Q: Quick switching of users (Powertoys only)
     Windows + Q: Hold Windows Key, then tap Q to scroll thru the different users on your PC
                                                                                                                                                                                 
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