To set up your Huion tablet, follow the given steps.
Plug one end of the tablet into the Power socket and the other end, i.e; HDMI/USB, to the respective port.
Now, you will be able to use your drawing tablet.
If you are on a multiple monitor setup, then you need to dive into the Settings by Win + I, go to System > Display. Now, you will see multiple monitors there, so, you can just arrange them in their respective order. You will see numbers on each monitor telling you its order. Then go to Multiple displays by scrolling down and from the drop-down menu, select Extend desktop to the display.