Under multi-system, if you set win8.1 as the default operating system

now the major versions of the window system are kept on the same day, some software can not be perfectly compatible, and we can only use it on one computer for convenience. Install multiple operating systems to meet your daily usage needs. The inconvenience of multiple systems is that you must select the appropriate system when you boot, otherwise you will enter the default operating system. The following small series will introduce you how to set up win8.1 as the default operating system.

1. Right-click on the computer and select Properties to go to the advanced settings of the system.
If you set win8.1 as the default operating system under multiple systems

2. Click the Settings button in Startup and Recovery.

3. In the drop-down bar of the default system, we can select win8.1 and save and exit.