Dual system installation in actual combat without tools to repair also run

Today, Xiaobian wants to share with you is a simple method of dual system operation without tool repair, I hope that after reading this article, you will understand that without tool repair, double The system is also operational.
In Windows 8, click "My Computer" - "&" and "Properties" - "“ Advanced System Settings" - "“ Startup and Recovery"---- “Settings --Check: Shows the time of the operating system list and the time to display the recovery options when needed. You can easily select the system when you restart the computer.