Windows 10 tricks, and shortcuts from Magdy's blog

Winkey +X: Displays the quick access professional menu for advanced users as shown

Winkey +Q: displays the Cortana help

Winkey +W: displays the Windows workspace; and sticky notes

Winkey + I: displays the settings of windows corresponding to control panel

Winkey + L : Lock out the computer

Winkey + D: displays the desktop

Winkey +Right arrow or left: frames the app window to the right or left and displays a panel with other aps to match the 2 apps side by side

Winkey +up arrow: maximise and the down arrow minimise the app to the taskbar

Winkey + (first letter of the apps: launches the app

Winkey + 1: launches the first app pinned in the task bar...etc

Winkey + Tab: displays all apps as shown and offers you to choose which app to switch to 

as well as it gives you chance to add another desktop app and put any apps into it

Winkey alone: display the start menu