Win10 technical preview version is now publicly available for download, this article for novice friends to explain the installation method
Windows 10 system image
Processor: 1 gigahertz (GHz) or faster • Memory: 1 GB (32-bit) or 2 GB (64-bit) • Available hard disk space: 16 GB
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After downloading the image, open the ISO image (note: in Win8/8.1, you can double-click directly, and in Win7, you can load the CD-ROM drive), and directly run the setup.exe in the root directory of the image.
Acceptance of license terms
Check the installation environment. This may take a while, depending on the amount of software you currently have on your system
Once the check is complete, the installer will list things you need to be aware of, such as missing system features or compatibility with existing software. If there is nothing to pay attention to, the results shown in the following figure appear.
Here you can also change what you want to keep after the upgrade. Click "Change what to keep",
Click Next to start the installation, which takes a long time. After that, it is fully automatic, and the computer will reboot several times, waiting for the installation to complete
When the Settings page is displayed during the installation, use the shortcut Settings