How to set up extended display in Windows10 system

How to set up the extended display for Windows 10 system <1>1, Win10 system, left click on the start button, in the pop-up menu option box, click “Set”Options;

2, after clicking the setting option, At this time, the "Settings" dialog box will open;

3. In the Settings dialog box, find and click "System (Display, Notification, Application, Power)" option;

4. In the open system dialog box, select the “Show” option on the left side, and in the right pane, you can see the currently connected display;

5. Under multi-monitor, Select “Extend these displays>;