Win7/Win8 dual system installation and startup setup tutorial

First, install Win7/Win8 to C drive, then use the installation media DVD or U disk to install Win8/Win7 to another partition (D drive).
1, install Windows system 7
2, prepare Windows8 operating system installation media, such as genuine DVD or USB boot disk
3, install Win8 to another partition that does not contain the current Windows system partition (two The system can no longer be a partition)
Select custom during the installation process, install to another partition, such as D disk

After restarting the machine, find the dual system interface

2, can also be configured To activate the defaults, click on the following options:

In the following "Change timer", select "Time to wait before automatically running the default operating system";; “Select default operating system> or using Win8 Win7