How Windows 10 reverts to an older version of the WINDOWS7/8 system

Knowledge Point Analysis:

Microsoft provides fallback functionality in Win10, which can be rolled back to the original system using WIN7, WIN8, and Win8.1 upgrades.

Experimental environment:

1, the original system is: Windows7 64-bit Professional Edition.
2, Win10 version is: WINDOWS10 64-bit Technology Preview version, version number is: 10162.
3, WIN10 is downloaded by Microsoft Official website after the ISO image, directly in the Win7 system to run the setup upgrade.

Operation Steps:

1, click on the bottom left corner of the ' Start ' button, choose ' Set ';

2, choose ' Restore ';

3. Click ' Start ' below the back to Windows 7. As mentioned above, the fallback feature is only valid for one months after upgrading to Windows 10.

4, then the system will enter the fallback preparation;

5, ready to complete after the system will allow you to choose the reasons for the return, select one or more items, the next step;

6, then you will be able to confirm a series of content, such as power, passwords, and so on, all ' next ';

7, after the confirmation system will automatically restart, into the recovery state;

8, after the restoration is completed, the system automatically restarts, directly back to the original Windows 7, back to complete.