How to reinstall Win10 system through WinRE

WinRE, the Windows recovery environment, is a system recovery platform built in the Windows pre-installed environment. It mainly has problems in the automatic diagnosis and repair startup, and the advanced system recovery tool centralized platform function. Can reinstall Win10 system through WinRE, how to operate?
Put the prepared Win10 U disk system installation disk into the computer, or put the Win10 system installation CD into the CD-ROM drive, and then set it to boot from the U disk or CD-ROM drive (the BIOS setting U disk boot method), you can enter System installation interface, first "Enter language and other preferences" setting interface. Figure:

Click “Next”Show“Install Now” interface. Figure:

Click on the "Repair Computer" in the lower left corner, then you will enter the WinRE interface. Figure: