X7s how to show dual boot
When booting the system, you will see 2 Icon， Android and Windows. You can select the system you want to boot
You can also change the system after you boot the system:
If you are already in Android system, please try this way
enter into Android---clicking the top right corner ---clicking system switching---then Windows will Automatically installed
If you are in Windows mode,
Please open the website as below > download > install
Download and run this program, and you can switch to Android.