Open the desktop overview
WIN + TAB
Switch between desktops
CTRL + WIN + LEFT/RIGHT
Minimalize all
WIN + D
Window Management
WIN + UP/DOWN/LEFT/RIGHT
Lock screen
WIN + L
'Unmount' previously unlisted partitions (Spring Creators Update) note: /D switch only removes the partition letter making it invisible. Use /P for full unmount.
sudo Mountvol YOUR_PARTITION_LETTER: /D