Windows logo key is a little used treasure

The Windows key or Windows logo key (in short WinKey, or rarely Flag key, Start key or Menu Key) which was originally introduced for the Windows 95 operating system , located in the bottom row of most computer keyboards is a little-used treasure. Don't' ignore it. It is the shortcut anchor for the lot of things.

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