How to install Win10 dual system with U disk under Win7

After the Win10 preview release, there are many people who want to experience the new system, but the preview version has many defects. It is recommended to install dual systems. This article brings together how to use the U disk to install Win10 on the Win7 system to form a dual system.
Preparation:
1. A computer with win7 Ultimate system installed;
2, Windows10 technology preview version ISO CD image
3, a 8G or more U disk;
4, Make U disk Win10 installation disk tool "Windows7-USB-DVD-tool"
First, make win10 system U disk installation disk:
Production method:
1, download Windows7-USB-DVD-tool After .exe, double-click to install it, then the tool will create a shortcut on the desktop, we double click to open, as shown below:

2, click on the "Browse" button to browse to the Win10 preview you downloaded (WindowsTechnicalPreview -x86-ZH-CN.ISO) CD image, and then click “next”;

3, this time the tool will let you choose to make U disk or DVD disc, we click USB device;
< Br> 4, then jump to the next step, select the U disk you plugged in, and click Begin Copying to start production, then wait for it, can be completed in a few minutes, very simple