Win10 How to switch multiple system default boot mode?

1, in the Windows 10 desktop selected "This Computer" right click, pop-up menu select "Properties" effect is as follows;

2, into the first system interface we switch to "advanced system settings" as shown in the following image click it;

3, then in the entry of the "Advanced" interface we click-Start and failback below the "setting" effect shown in the following figure;

4, select the system to be started by default.

All right, that's it. The next time you start the system will be installed according to your set up to boot.