Windows® 8.1 Keys - Asus E403SA E-Manual

Windows® 8.1 keys
There are two special Windows® keys on your Notebook PC's keyboard
used as below:
Press this key to go back to the Start screen. If you are
already in the Start screen, press this key to go back to
the last app you opened.
Press this key to simulate the right-click functions.
36
Turns the speaker volume down
Turns the speaker volume up
Notebook PC E-Manual