In Windows 10, how does one set the master screen displayed on the dual screen ?, Window10 Screen Display

In Windows 10, how does one set the master screen displayed on the dual screen ?, Window10 Screen Display

In Windows 10, how does one set the master screen displayed on the dual screen?

1. Right-click the blank area on the desktop and select display settings:

2. Select advanced display settings on the pop-up page:

3. If only one monitor is displayed, you can click the detection button to view the two displays:

4. When two monitors appear, select the digital label (1 or 2) corresponding to the monitor you want to set as the primary display ):

 

5. Select "make it my main monitor" and click "Apply: