How to install Win10 Technology Preview?

Win10 technology preview version is now available for download, Xiaobian for the novice friends to explain a few commonly used installation methods, please choose the best installation method according to your needs. Win10 Technology Preview is released by Microsoft in order to receive technical feedback to further improve and improve the product. In the process of use, there will inevitably be some bugs or software compatibility problems, so it is not recommended to replace the system currently in use. It is best to install dual systems first or experience the latest features of Win10 in a virtual machine.
1. First, we need Win10 technology preview image: http://www.xp85.com/html/Win10P.html
2. Next, we need a virtual CD-ROM, recommended: http://www.xp85.com/html/DAEMONToolsUltra.html
[Win10 Technology Preview Installation Tutorial]
First, replace the current system (immediately upgrade the current system to Win10 technology preview)
1. After downloading the image Open the ISO image (Note: double-click on Win8/8.1, you can use the virtual CD-ROM drive in Win7), directly run setup.exe in the mirror root directory, as shown below;

2. Accept the license Terms;

3. Check the installation environment. This may take a while, depending on the amount of software in the system you are currently using;

4. After the check is complete, the installer will list things you need to be aware of, such as missing or existing system features. Software compatibility, etc. If there are no things to be aware of, the results shown below will appear;

5. Here you can also change what needs to be saved after the upgrade. Click “change the content to be retained”, the following picture appears;

6. Select the item to be retained;
Regardless of which option is selected, the current system will be replaced by Win10 Technology Preview after the upgrade. The “personal files” refers to the contents of the “Users” folder; the specific applications can be retained depending on the compatibility of these applications in the Win10 preview; if you select “do not retain any content”, After the upgrade, “Personal Files” will still be saved and moved to a folder named Windows.old.
7. Click Next to start the installation. If you choose to keep all content upgrades, this can be a very time consuming process;