How to hook up HDMI cable / extend these displays

Configure Multiple Display Settings -

- Click the Windows Start button, then settings gear (or Press Win + i) to open your Windows Settings

- Click System, then Display

- Scroll down on the right side to Multiple displays

- Make sure this settings is set to Extend these displays.

- Scroll back up to view the monitor position. Click Identify to show how the screens are numbered. Arrange the display settings so they match how your monitors are positioned. Click Apply when finished.